Home / 129,495,327.40-194,187,003.90-64,774,124.20

Finding the Fourth Proportional to 129,495,327.40, 194,187,003.90 and 64,774,124.20

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Solution

The fourth proportional to 129,495,327.40, 194,187,003.90 and 64,774,124.20 is: 97,133,181.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,495,327.40 : 194,187,003.90 = 64,774,124.20 : x
  2. Step 2: Convert to fraction form
    129,495,327.40/194,187,003.90 = 64,774,124.20/x
  3. Step 3: Cross multiply
    129,495,327.40x = 194,187,003.90 × 64,774,124.20
  4. Step 4: Simplify right side
    129,495,327.40x = 12,578,293,108,644,486
  5. Step 5: Solve for x
    x = 12,578,293,108,644,486/129,495,327.40
  6. Step 6: Final answer
    x = 97,133,181.26

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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.