Home / 89,280,046.80-133,920,070.20-38,167,232.40

Finding the Fourth Proportional to 89,280,046.80, 133,920,070.20 and 38,167,232.40

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Solution

The fourth proportional to 89,280,046.80, 133,920,070.20 and 38,167,232.40 is: 57,250,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,280,046.80 : 133,920,070.20 = 38,167,232.40 : x
  2. Step 2: Convert to fraction form
    89,280,046.80/133,920,070.20 = 38,167,232.40/x
  3. Step 3: Cross multiply
    89,280,046.80x = 133,920,070.20 × 38,167,232.40
  4. Step 4: Simplify right side
    89,280,046.80x = 5,111,358,442,347,714
  5. Step 5: Solve for x
    x = 5,111,358,442,347,714/89,280,046.80
  6. Step 6: Final answer
    x = 57,250,848.60

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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.