Home / 107,838,411.70-161,757,617.55-77,227,410.10

Finding the Fourth Proportional to 107,838,411.70, 161,757,617.55 and 77,227,410.10

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Solution

The fourth proportional to 107,838,411.70, 161,757,617.55 and 77,227,410.10 is: 115,841,115.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,838,411.70 : 161,757,617.55 = 77,227,410.10 : x
  2. Step 2: Convert to fraction form
    107,838,411.70/161,757,617.55 = 77,227,410.10/x
  3. Step 3: Cross multiply
    107,838,411.70x = 161,757,617.55 × 77,227,410.10
  4. Step 4: Simplify right side
    107,838,411.70x = 12,492,121,867,332,808
  5. Step 5: Solve for x
    x = 12,492,121,867,332,808/107,838,411.70
  6. Step 6: Final answer
    x = 115,841,115.15

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1.5x scale

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.