Home / 89,128,946.85-133,693,881.57-40,572,843.39

Finding the Fourth Proportional to 89,128,946.85, 133,693,881.57 and 40,572,843.39

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Solution

The fourth proportional to 89,128,946.85, 133,693,881.57 and 40,572,843.39 is: 60,859,475.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,128,946.85 : 133,693,881.57 = 40,572,843.39 : x
  2. Step 2: Convert to fraction form
    89,128,946.85/133,693,881.57 = 40,572,843.39/x
  3. Step 3: Cross multiply
    89,128,946.85x = 133,693,881.57 × 40,572,843.39
  4. Step 4: Simplify right side
    89,128,946.85x = 5,424,340,919,140,817
  5. Step 5: Solve for x
    x = 5,424,340,919,140,817/89,128,946.85
  6. Step 6: Final answer
    x = 60,859,475.07

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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.