Home / 89,630,121.40-134,445,182.10-88,779,815.80

Finding the Fourth Proportional to 89,630,121.40, 134,445,182.10 and 88,779,815.80

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Solution

The fourth proportional to 89,630,121.40, 134,445,182.10 and 88,779,815.80 is: 133,169,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,630,121.40 : 134,445,182.10 = 88,779,815.80 : x
  2. Step 2: Convert to fraction form
    89,630,121.40/134,445,182.10 = 88,779,815.80/x
  3. Step 3: Cross multiply
    89,630,121.40x = 134,445,182.10 × 88,779,815.80
  4. Step 4: Simplify right side
    89,630,121.40x = 11,936,018,502,035,456
  5. Step 5: Solve for x
    x = 11,936,018,502,035,456/89,630,121.40
  6. Step 6: Final answer
    x = 133,169,723.70

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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.