Home / 157,465,140.90-236,197,711.35-66,588,729.90

Finding the Fourth Proportional to 157,465,140.90, 236,197,711.35 and 66,588,729.90

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Solution

The fourth proportional to 157,465,140.90, 236,197,711.35 and 66,588,729.90 is: 99,883,094.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,140.90 : 236,197,711.35 = 66,588,729.90 : x
  2. Step 2: Convert to fraction form
    157,465,140.90/236,197,711.35 = 66,588,729.90/x
  3. Step 3: Cross multiply
    157,465,140.90x = 236,197,711.35 × 66,588,729.90
  4. Step 4: Simplify right side
    157,465,140.90x = 15,728,105,604,083,314
  5. Step 5: Solve for x
    x = 15,728,105,604,083,314/157,465,140.90
  6. Step 6: Final answer
    x = 99,883,094.85

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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.