Home / 97,066,528.70-145,599,793.05-86,484,947.90

Finding the Fourth Proportional to 97,066,528.70, 145,599,793.05 and 86,484,947.90

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Solution

The fourth proportional to 97,066,528.70, 145,599,793.05 and 86,484,947.90 is: 129,727,421.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,066,528.70 : 145,599,793.05 = 86,484,947.90 : x
  2. Step 2: Convert to fraction form
    97,066,528.70/145,599,793.05 = 86,484,947.90/x
  3. Step 3: Cross multiply
    97,066,528.70x = 145,599,793.05 × 86,484,947.90
  4. Step 4: Simplify right side
    97,066,528.70x = 12,592,190,516,180,034
  5. Step 5: Solve for x
    x = 12,592,190,516,180,034/97,066,528.70
  6. Step 6: Final answer
    x = 129,727,421.85

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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.