Home / 89,817,010.40-134,725,515.60-61,119,196.40

Finding the Fourth Proportional to 89,817,010.40, 134,725,515.60 and 61,119,196.40

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Solution

The fourth proportional to 89,817,010.40, 134,725,515.60 and 61,119,196.40 is: 91,678,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,817,010.40 : 134,725,515.60 = 61,119,196.40 : x
  2. Step 2: Convert to fraction form
    89,817,010.40/134,725,515.60 = 61,119,196.40/x
  3. Step 3: Cross multiply
    89,817,010.40x = 134,725,515.60 × 61,119,196.40
  4. Step 4: Simplify right side
    89,817,010.40x = 8,234,315,248,047,663
  5. Step 5: Solve for x
    x = 8,234,315,248,047,663/89,817,010.40
  6. Step 6: Final answer
    x = 91,678,794.60

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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.