Home / 87,308,935,402.80-130,963,403,104.20-47,637,077,329.20

Finding the Fourth Proportional to 87,308,935,402.80, 130,963,403,104.20 and 47,637,077,329.20

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Solution

The fourth proportional to 87,308,935,402.80, 130,963,403,104.20 and 47,637,077,329.20 is: 71,455,615,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,308,935,402.80 : 130,963,403,104.20 = 47,637,077,329.20 : x
  2. Step 2: Convert to fraction form
    87,308,935,402.80/130,963,403,104.20 = 47,637,077,329.20/x
  3. Step 3: Cross multiply
    87,308,935,402.80x = 130,963,403,104.20 × 47,637,077,329.20
  4. Step 4: Simplify right side
    87,308,935,402.80x = 6,238,713,760,969,965,699,072
  5. Step 5: Solve for x
    x = 6,238,713,760,969,965,699,072/87,308,935,402.80
  6. Step 6: Final answer
    x = 71,455,615,993.80

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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.