Home / 66,453,613.79-99,680,420.69-17,931,389.74

Finding the Fourth Proportional to 66,453,613.79, 99,680,420.69 and 17,931,389.74

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Solution

The fourth proportional to 66,453,613.79, 99,680,420.69 and 17,931,389.74 is: 26,897,084.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,453,613.79 : 99,680,420.69 = 17,931,389.74 : x
  2. Step 2: Convert to fraction form
    66,453,613.79/99,680,420.69 = 17,931,389.74/x
  3. Step 3: Cross multiply
    66,453,613.79x = 99,680,420.69 × 17,931,389.74
  4. Step 4: Simplify right side
    66,453,613.79x = 1,787,408,472,251,490.75
  5. Step 5: Solve for x
    x = 1,787,408,472,251,490.75/66,453,613.79
  6. Step 6: Final answer
    x = 26,897,084.60

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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.