Home / 127,656,346.60-191,360,103.90-73,012,839.40

Finding the Fourth Proportional to 127,656,346.60, 191,360,103.90 and 73,012,839.40

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Solution

The fourth proportional to 127,656,346.60, 191,360,103.90 and 73,012,839.40 is: 109,448,099.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,656,346.60 : 191,360,103.90 = 73,012,839.40 : x
  2. Step 2: Convert to fraction form
    127,656,346.60/191,360,103.90 = 73,012,839.40/x
  3. Step 3: Cross multiply
    127,656,346.60x = 191,360,103.90 × 73,012,839.40
  4. Step 4: Simplify right side
    127,656,346.60x = 13,971,744,533,618,016
  5. Step 5: Solve for x
    x = 13,971,744,533,618,016/127,656,346.60
  6. Step 6: Final answer
    x = 109,448,099.57

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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.