Home / 79,240,465.20-118,860,697.80-57,557,672.40

Finding the Fourth Proportional to 79,240,465.20, 118,860,697.80 and 57,557,672.40

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Solution

The fourth proportional to 79,240,465.20, 118,860,697.80 and 57,557,672.40 is: 86,336,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,240,465.20 : 118,860,697.80 = 57,557,672.40 : x
  2. Step 2: Convert to fraction form
    79,240,465.20/118,860,697.80 = 57,557,672.40/x
  3. Step 3: Cross multiply
    79,240,465.20x = 118,860,697.80 × 57,557,672.40
  4. Step 4: Simplify right side
    79,240,465.20x = 6,841,345,105,207,800
  5. Step 5: Solve for x
    x = 6,841,345,105,207,800/79,240,465.20
  6. Step 6: Final answer
    x = 86,336,508.60

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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.