Home / 92,772,098.70-139,158,148.05-87,481,308.30

Finding the Fourth Proportional to 92,772,098.70, 139,158,148.05 and 87,481,308.30

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Solution

The fourth proportional to 92,772,098.70, 139,158,148.05 and 87,481,308.30 is: 131,221,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,772,098.70 : 139,158,148.05 = 87,481,308.30 : x
  2. Step 2: Convert to fraction form
    92,772,098.70/139,158,148.05 = 87,481,308.30/x
  3. Step 3: Cross multiply
    92,772,098.70x = 139,158,148.05 × 87,481,308.30
  4. Step 4: Simplify right side
    92,772,098.70x = 12,173,736,852,019,094
  5. Step 5: Solve for x
    x = 12,173,736,852,019,094/92,772,098.70
  6. Step 6: Final answer
    x = 131,221,962.45

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Double scale
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Similar ratio
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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.