Home / 129,807,246.60-194,710,869.90-38,930,835.60

Finding the Fourth Proportional to 129,807,246.60, 194,710,869.90 and 38,930,835.60

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Solution

The fourth proportional to 129,807,246.60, 194,710,869.90 and 38,930,835.60 is: 58,396,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,807,246.60 : 194,710,869.90 = 38,930,835.60 : x
  2. Step 2: Convert to fraction form
    129,807,246.60/194,710,869.90 = 38,930,835.60/x
  3. Step 3: Cross multiply
    129,807,246.60x = 194,710,869.90 × 38,930,835.60
  4. Step 4: Simplify right side
    129,807,246.60x = 7,580,256,865,609,889
  5. Step 5: Solve for x
    x = 7,580,256,865,609,889/129,807,246.60
  6. Step 6: Final answer
    x = 58,396,253.40

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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.