Home / 89,820,305.40-134,730,458.10-84,151,601.40

Finding the Fourth Proportional to 89,820,305.40, 134,730,458.10 and 84,151,601.40

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Solution

The fourth proportional to 89,820,305.40, 134,730,458.10 and 84,151,601.40 is: 126,227,402.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,820,305.40 : 134,730,458.10 = 84,151,601.40 : x
  2. Step 2: Convert to fraction form
    89,820,305.40/134,730,458.10 = 84,151,601.40/x
  3. Step 3: Cross multiply
    89,820,305.40x = 134,730,458.10 × 84,151,601.40
  4. Step 4: Simplify right side
    89,820,305.40x = 11,337,783,806,470,602
  5. Step 5: Solve for x
    x = 11,337,783,806,470,602/89,820,305.40
  6. Step 6: Final answer
    x = 126,227,402.10

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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.