Home / 83,178,700.40-124,776,388.20-28,584,095.60

Finding the Fourth Proportional to 83,178,700.40, 124,776,388.20 and 28,584,095.60

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Solution

The fourth proportional to 83,178,700.40, 124,776,388.20 and 28,584,095.60 is: 42,879,008.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,178,700.40 : 124,776,388.20 = 28,584,095.60 : x
  2. Step 2: Convert to fraction form
    83,178,700.40/124,776,388.20 = 28,584,095.60/x
  3. Step 3: Cross multiply
    83,178,700.40x = 124,776,388.20 × 28,584,095.60
  4. Step 4: Simplify right side
    83,178,700.40x = 3,566,620,208,931,512
  5. Step 5: Solve for x
    x = 3,566,620,208,931,512/83,178,700.40
  6. Step 6: Final answer
    x = 42,879,008.59

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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.