Home / 157,465,141.90-236,197,712.85-66,588,730.90

Finding the Fourth Proportional to 157,465,141.90, 236,197,712.85 and 66,588,730.90

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Solution

The fourth proportional to 157,465,141.90, 236,197,712.85 and 66,588,730.90 is: 99,883,096.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,141.90 : 236,197,712.85 = 66,588,730.90 : x
  2. Step 2: Convert to fraction form
    157,465,141.90/236,197,712.85 = 66,588,730.90/x
  3. Step 3: Cross multiply
    157,465,141.90x = 236,197,712.85 × 66,588,730.90
  4. Step 4: Simplify right side
    157,465,141.90x = 15,728,105,940,164,122
  5. Step 5: Solve for x
    x = 15,728,105,940,164,122/157,465,141.90
  6. Step 6: Final answer
    x = 99,883,096.35

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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.