Home / 52,822,505.60-72,888,323.28-30,790,492.64

Finding the Fourth Proportional to 52,822,505.60, 72,888,323.28 and 30,790,492.64

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Solution

The fourth proportional to 52,822,505.60, 72,888,323.28 and 30,790,492.64 is: 42,486,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,822,505.60 : 72,888,323.28 = 30,790,492.64 : x
  2. Step 2: Convert to fraction form
    52,822,505.60/72,888,323.28 = 30,790,492.64/x
  3. Step 3: Cross multiply
    52,822,505.60x = 72,888,323.28 × 30,790,492.64
  4. Step 4: Simplify right side
    52,822,505.60x = 2,244,267,381,494,780.75
  5. Step 5: Solve for x
    x = 2,244,267,381,494,780.75/52,822,505.60
  6. Step 6: Final answer
    x = 42,486,954.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.