Home / 118,249,691.40-177,253,814.70-79,915,080.60

Finding the Fourth Proportional to 118,249,691.40, 177,253,814.70 and 79,915,080.60

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Solution

The fourth proportional to 118,249,691.40, 177,253,814.70 and 79,915,080.60 is: 119,791,034.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,249,691.40 : 177,253,814.70 = 79,915,080.60 : x
  2. Step 2: Convert to fraction form
    118,249,691.40/177,253,814.70 = 79,915,080.60/x
  3. Step 3: Cross multiply
    118,249,691.40x = 177,253,814.70 × 79,915,080.60
  4. Step 4: Simplify right side
    118,249,691.40x = 14,165,252,888,407,962
  5. Step 5: Solve for x
    x = 14,165,252,888,407,962/118,249,691.40
  6. Step 6: Final answer
    x = 119,791,034.72

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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.