Home / 129,346,775.60-194,047,120.20-43,111,972.40

Finding the Fourth Proportional to 129,346,775.60, 194,047,120.20 and 43,111,972.40

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Solution

The fourth proportional to 129,346,775.60, 194,047,120.20 and 43,111,972.40 is: 64,676,943.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,346,775.60 : 194,047,120.20 = 43,111,972.40 : x
  2. Step 2: Convert to fraction form
    129,346,775.60/194,047,120.20 = 43,111,972.40/x
  3. Step 3: Cross multiply
    129,346,775.60x = 194,047,120.20 × 43,111,972.40
  4. Step 4: Simplify right side
    129,346,775.60x = 8,365,754,090,361,882
  5. Step 5: Solve for x
    x = 8,365,754,090,361,882/129,346,775.60
  6. Step 6: Final answer
    x = 64,676,943.45

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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.