Home / 268,272,001.90-402,408,002.85-86,537,550.70

Finding the Fourth Proportional to 268,272,001.90, 402,408,002.85 and 86,537,550.70

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Solution

The fourth proportional to 268,272,001.90, 402,408,002.85 and 86,537,550.70 is: 129,806,326.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272,001.90 : 402,408,002.85 = 86,537,550.70 : x
  2. Step 2: Convert to fraction form
    268,272,001.90/402,408,002.85 = 86,537,550.70/x
  3. Step 3: Cross multiply
    268,272,001.90x = 402,408,002.85 × 86,537,550.70
  4. Step 4: Simplify right side
    268,272,001.90x = 34,823,402,948,717,624
  5. Step 5: Solve for x
    x = 34,823,402,948,717,624/268,272,001.90
  6. Step 6: Final answer
    x = 129,806,326.05

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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.