Home / 70,287,984.57-105,391,607.56-37,458,134.79

Finding the Fourth Proportional to 70,287,984.57, 105,391,607.56 and 37,458,134.79

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Solution

The fourth proportional to 70,287,984.57, 105,391,607.56 and 37,458,134.79 is: 56,165,688.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,287,984.57 : 105,391,607.56 = 37,458,134.79 : x
  2. Step 2: Convert to fraction form
    70,287,984.57/105,391,607.56 = 37,458,134.79/x
  3. Step 3: Cross multiply
    70,287,984.57x = 105,391,607.56 × 37,458,134.79
  4. Step 4: Simplify right side
    70,287,984.57x = 3,947,773,041,717,263
  5. Step 5: Solve for x
    x = 3,947,773,041,717,263/70,287,984.57
  6. Step 6: Final answer
    x = 56,165,688.43

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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.