Home / 89,817,009.40-134,725,514.10-61,119,195.40

Finding the Fourth Proportional to 89,817,009.40, 134,725,514.10 and 61,119,195.40

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Solution

The fourth proportional to 89,817,009.40, 134,725,514.10 and 61,119,195.40 is: 91,678,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,817,009.40 : 134,725,514.10 = 61,119,195.40 : x
  2. Step 2: Convert to fraction form
    89,817,009.40/134,725,514.10 = 61,119,195.40/x
  3. Step 3: Cross multiply
    89,817,009.40x = 134,725,514.10 × 61,119,195.40
  4. Step 4: Simplify right side
    89,817,009.40x = 8,234,315,021,643,355
  5. Step 5: Solve for x
    x = 8,234,315,021,643,355/89,817,009.40
  6. Step 6: Final answer
    x = 91,678,793.10

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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.