Home / 99,315,438,006.72-137,053,361,720.16-54,205,488,239.04

Finding the Fourth Proportional to 99,315,438,006.72, 137,053,361,720.16 and 54,205,488,239.04

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Solution

The fourth proportional to 99,315,438,006.72, 137,053,361,720.16 and 54,205,488,239.04 is: 74,802,513,445.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,315,438,006.72 : 137,053,361,720.16 = 54,205,488,239.04 : x
  2. Step 2: Convert to fraction form
    99,315,438,006.72/137,053,361,720.16 = 54,205,488,239.04/x
  3. Step 3: Cross multiply
    99,315,438,006.72x = 137,053,361,720.16 × 54,205,488,239.04
  4. Step 4: Simplify right side
    99,315,438,006.72x = 7,429,044,386,843,028,619,264
  5. Step 5: Solve for x
    x = 7,429,044,386,843,028,619,264/99,315,438,006.72
  6. Step 6: Final answer
    x = 74,802,513,445.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.