Home / 87,308,941,996.80-130,963,412,995.20-47,637,083,923.20

Finding the Fourth Proportional to 87,308,941,996.80, 130,963,412,995.20 and 47,637,083,923.20

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Solution

The fourth proportional to 87,308,941,996.80, 130,963,412,995.20 and 47,637,083,923.20 is: 71,455,625,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,308,941,996.80 : 130,963,412,995.20 = 47,637,083,923.20 : x
  2. Step 2: Convert to fraction form
    87,308,941,996.80/130,963,412,995.20 = 47,637,083,923.20/x
  3. Step 3: Cross multiply
    87,308,941,996.80x = 130,963,412,995.20 × 47,637,083,923.20
  4. Step 4: Simplify right side
    87,308,941,996.80x = 6,238,715,095,721,043,820,544
  5. Step 5: Solve for x
    x = 6,238,715,095,721,043,820,544/87,308,941,996.80
  6. Step 6: Final answer
    x = 71,455,625,884.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.