Home / 129,494,547.20-194,213,827.20-56,711,187.20

Finding the Fourth Proportional to 129,494,547.20, 194,213,827.20 and 56,711,187.20

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Solution

The fourth proportional to 129,494,547.20, 194,213,827.20 and 56,711,187.20 is: 85,054,521.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,494,547.20 : 194,213,827.20 = 56,711,187.20 : x
  2. Step 2: Convert to fraction form
    129,494,547.20/194,213,827.20 = 56,711,187.20/x
  3. Step 3: Cross multiply
    129,494,547.20x = 194,213,827.20 × 56,711,187.20
  4. Step 4: Simplify right side
    129,494,547.20x = 11,014,096,711,167,652
  5. Step 5: Solve for x
    x = 11,014,096,711,167,652/129,494,547.20
  6. Step 6: Final answer
    x = 85,054,521.21

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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.