Home / 77,523,693.40-106,987,462.50-42,716,374.75

Finding the Fourth Proportional to 77,523,693.40, 106,987,462.50 and 42,716,374.75

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Solution

The fourth proportional to 77,523,693.40, 106,987,462.50 and 42,716,374.75 is: 58,951,223.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,523,693.40 : 106,987,462.50 = 42,716,374.75 : x
  2. Step 2: Convert to fraction form
    77,523,693.40/106,987,462.50 = 42,716,374.75/x
  3. Step 3: Cross multiply
    77,523,693.40x = 106,987,462.50 × 42,716,374.75
  4. Step 4: Simplify right side
    77,523,693.40x = 4,570,116,541,701,572
  5. Step 5: Solve for x
    x = 4,570,116,541,701,572/77,523,693.40
  6. Step 6: Final answer
    x = 58,951,223.06

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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.