Home / 261,044,637.28-391,214,225.76-99,398,393.44

Finding the Fourth Proportional to 261,044,637.28, 391,214,225.76 and 99,398,393.44

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Solution

The fourth proportional to 261,044,637.28, 391,214,225.76 and 99,398,393.44 is: 148,963,280.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,044,637.28 : 391,214,225.76 = 99,398,393.44 : x
  2. Step 2: Convert to fraction form
    261,044,637.28/391,214,225.76 = 99,398,393.44/x
  3. Step 3: Cross multiply
    261,044,637.28x = 391,214,225.76 × 99,398,393.44
  4. Step 4: Simplify right side
    261,044,637.28x = 38,886,065,531,417,464
  5. Step 5: Solve for x
    x = 38,886,065,531,417,464/261,044,637.28
  6. Step 6: Final answer
    x = 148,963,280.52

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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.