Home / 76,841,374.24-106,041,937.80-42,034,065.04

Finding the Fourth Proportional to 76,841,374.24, 106,041,937.80 and 42,034,065.04

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Solution

The fourth proportional to 76,841,374.24, 106,041,937.80 and 42,034,065.04 is: 58,007,469.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,841,374.24 : 106,041,937.80 = 42,034,065.04 : x
  2. Step 2: Convert to fraction form
    76,841,374.24/106,041,937.80 = 42,034,065.04/x
  3. Step 3: Cross multiply
    76,841,374.24x = 106,041,937.80 × 42,034,065.04
  4. Step 4: Simplify right side
    76,841,374.24x = 4,457,373,710,452,834.50
  5. Step 5: Solve for x
    x = 4,457,373,710,452,834.50/76,841,374.24
  6. Step 6: Final answer
    x = 58,007,469.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.