Home / 46,656,125.10-69,984,187.65-42,121,161.90

Finding the Fourth Proportional to 46,656,125.10, 69,984,187.65 and 42,121,161.90

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Solution

The fourth proportional to 46,656,125.10, 69,984,187.65 and 42,121,161.90 is: 63,181,742.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,656,125.10 : 69,984,187.65 = 42,121,161.90 : x
  2. Step 2: Convert to fraction form
    46,656,125.10/69,984,187.65 = 42,121,161.90/x
  3. Step 3: Cross multiply
    46,656,125.10x = 69,984,187.65 × 42,121,161.90
  4. Step 4: Simplify right side
    46,656,125.10x = 2,947,815,298,445,630.50
  5. Step 5: Solve for x
    x = 2,947,815,298,445,630.50/46,656,125.10
  6. Step 6: Final answer
    x = 63,181,742.85

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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.