Home / 66,445,381.80-99,668,072.70-59,139,052.20

Finding the Fourth Proportional to 66,445,381.80, 99,668,072.70 and 59,139,052.20

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Solution

The fourth proportional to 66,445,381.80, 99,668,072.70 and 59,139,052.20 is: 88,708,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,445,381.80 : 99,668,072.70 = 59,139,052.20 : x
  2. Step 2: Convert to fraction form
    66,445,381.80/99,668,072.70 = 59,139,052.20/x
  3. Step 3: Cross multiply
    66,445,381.80x = 99,668,072.70 × 59,139,052.20
  4. Step 4: Simplify right side
    66,445,381.80x = 5,894,275,354,078,695
  5. Step 5: Solve for x
    x = 5,894,275,354,078,695/66,445,381.80
  6. Step 6: Final answer
    x = 88,708,578.30

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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.