Home / 64,678,767.38-89,258,052.90-35,311,337.72

Finding the Fourth Proportional to 64,678,767.38, 89,258,052.90 and 35,311,337.72

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Solution

The fourth proportional to 64,678,767.38, 89,258,052.90 and 35,311,337.72 is: 48,730,385.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,678,767.38 : 89,258,052.90 = 35,311,337.72 : x
  2. Step 2: Convert to fraction form
    64,678,767.38/89,258,052.90 = 35,311,337.72/x
  3. Step 3: Cross multiply
    64,678,767.38x = 89,258,052.90 × 35,311,337.72
  4. Step 4: Simplify right side
    64,678,767.38x = 3,151,821,250,181,525.50
  5. Step 5: Solve for x
    x = 3,151,821,250,181,525.50/64,678,767.38
  6. Step 6: Final answer
    x = 48,730,385.22

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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.