Home / 90,020,467.78-134,806,752.87-62,967,452.74

Finding the Fourth Proportional to 90,020,467.78, 134,806,752.87 and 62,967,452.74

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Solution

The fourth proportional to 90,020,467.78, 134,806,752.87 and 62,967,452.74 is: 94,294,531.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,020,467.78 : 134,806,752.87 = 62,967,452.74 : x
  2. Step 2: Convert to fraction form
    90,020,467.78/134,806,752.87 = 62,967,452.74/x
  3. Step 3: Cross multiply
    90,020,467.78x = 134,806,752.87 × 62,967,452.74
  4. Step 4: Simplify right side
    90,020,467.78x = 8,488,437,840,374,585
  5. Step 5: Solve for x
    x = 8,488,437,840,374,585/90,020,467.78
  6. Step 6: Final answer
    x = 94,294,531.56

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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.