Home / 79,225,666.20-118,838,909.40-36,064,685.40

Finding the Fourth Proportional to 79,225,666.20, 118,838,909.40 and 36,064,685.40

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Solution

The fourth proportional to 79,225,666.20, 118,838,909.40 and 36,064,685.40 is: 54,097,214.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,225,666.20 : 118,838,909.40 = 36,064,685.40 : x
  2. Step 2: Convert to fraction form
    79,225,666.20/118,838,909.40 = 36,064,685.40/x
  3. Step 3: Cross multiply
    79,225,666.20x = 118,838,909.40 × 36,064,685.40
  4. Step 4: Simplify right side
    79,225,666.20x = 4,285,887,880,790,103
  5. Step 5: Solve for x
    x = 4,285,887,880,790,103/79,225,666.20
  6. Step 6: Final answer
    x = 54,097,214.78

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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.