Home / 87,308,935,506.80-130,963,403,260.20-47,637,077,433.20

Finding the Fourth Proportional to 87,308,935,506.80, 130,963,403,260.20 and 47,637,077,433.20

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Solution

The fourth proportional to 87,308,935,506.80, 130,963,403,260.20 and 47,637,077,433.20 is: 71,455,616,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,308,935,506.80 : 130,963,403,260.20 = 47,637,077,433.20 : x
  2. Step 2: Convert to fraction form
    87,308,935,506.80/130,963,403,260.20 = 47,637,077,433.20/x
  3. Step 3: Cross multiply
    87,308,935,506.80x = 130,963,403,260.20 × 47,637,077,433.20
  4. Step 4: Simplify right side
    87,308,935,506.80x = 6,238,713,782,021,544,476,672
  5. Step 5: Solve for x
    x = 6,238,713,782,021,544,476,672/87,308,935,506.80
  6. Step 6: Final answer
    x = 71,455,616,149.80

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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.