Home / 74,156,963.90-111,235,445.85-51,198,712.70

Finding the Fourth Proportional to 74,156,963.90, 111,235,445.85 and 51,198,712.70

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Solution

The fourth proportional to 74,156,963.90, 111,235,445.85 and 51,198,712.70 is: 76,798,069.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,156,963.90 : 111,235,445.85 = 51,198,712.70 : x
  2. Step 2: Convert to fraction form
    74,156,963.90/111,235,445.85 = 51,198,712.70/x
  3. Step 3: Cross multiply
    74,156,963.90x = 111,235,445.85 × 51,198,712.70
  4. Step 4: Simplify right side
    74,156,963.90x = 5,695,111,634,130,557
  5. Step 5: Solve for x
    x = 5,695,111,634,130,557/74,156,963.90
  6. Step 6: Final answer
    x = 76,798,069.05

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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.