Home / 129,461,661.60-194,192,492.40-116,472,631.20

Finding the Fourth Proportional to 129,461,661.60, 194,192,492.40 and 116,472,631.20

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Solution

The fourth proportional to 129,461,661.60, 194,192,492.40 and 116,472,631.20 is: 174,708,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,461,661.60 : 194,192,492.40 = 116,472,631.20 : x
  2. Step 2: Convert to fraction form
    129,461,661.60/194,192,492.40 = 116,472,631.20/x
  3. Step 3: Cross multiply
    129,461,661.60x = 194,192,492.40 × 116,472,631.20
  4. Step 4: Simplify right side
    129,461,661.60x = 22,618,110,549,114,004
  5. Step 5: Solve for x
    x = 22,618,110,549,114,004/129,461,661.60
  6. Step 6: Final answer
    x = 174,708,946.80

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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.