Home / 66,051,030.30-99,076,545.45-52,446,140.70

Finding the Fourth Proportional to 66,051,030.30, 99,076,545.45 and 52,446,140.70

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Solution

The fourth proportional to 66,051,030.30, 99,076,545.45 and 52,446,140.70 is: 78,669,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,051,030.30 : 99,076,545.45 = 52,446,140.70 : x
  2. Step 2: Convert to fraction form
    66,051,030.30/99,076,545.45 = 52,446,140.70/x
  3. Step 3: Cross multiply
    66,051,030.30x = 99,076,545.45 × 52,446,140.70
  4. Step 4: Simplify right side
    66,051,030.30x = 5,196,182,442,740,645
  5. Step 5: Solve for x
    x = 5,196,182,442,740,645/66,051,030.30
  6. Step 6: Final answer
    x = 78,669,211.05

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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.