Home / 79,715,795.40-119,573,693.10-72,913,350.60

Finding the Fourth Proportional to 79,715,795.40, 119,573,693.10 and 72,913,350.60

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Solution

The fourth proportional to 79,715,795.40, 119,573,693.10 and 72,913,350.60 is: 109,370,025.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,715,795.40 : 119,573,693.10 = 72,913,350.60 : x
  2. Step 2: Convert to fraction form
    79,715,795.40/119,573,693.10 = 72,913,350.60/x
  3. Step 3: Cross multiply
    79,715,795.40x = 119,573,693.10 × 72,913,350.60
  4. Step 4: Simplify right side
    79,715,795.40x = 8,718,518,607,537,100
  5. Step 5: Solve for x
    x = 8,718,518,607,537,100/79,715,795.40
  6. Step 6: Final answer
    x = 109,370,025.90

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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.