Home / 219,227,065.86-328,771,759.02-71,640,972.24

Finding the Fourth Proportional to 219,227,065.86, 328,771,759.02 and 71,640,972.24

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Solution

The fourth proportional to 219,227,065.86, 328,771,759.02 and 71,640,972.24 is: 107,438,962.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,227,065.86 : 328,771,759.02 = 71,640,972.24 : x
  2. Step 2: Convert to fraction form
    219,227,065.86/328,771,759.02 = 71,640,972.24/x
  3. Step 3: Cross multiply
    219,227,065.86x = 328,771,759.02 × 71,640,972.24
  4. Step 4: Simplify right side
    219,227,065.86x = 23,553,528,461,247,788
  5. Step 5: Solve for x
    x = 23,553,528,461,247,788/219,227,065.86
  6. Step 6: Final answer
    x = 107,438,962.29

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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.