Home / 40,836,700.80-61,255,051.20-18,119,894.40

Finding the Fourth Proportional to 40,836,700.80, 61,255,051.20 and 18,119,894.40

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Solution

The fourth proportional to 40,836,700.80, 61,255,051.20 and 18,119,894.40 is: 27,179,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,836,700.80 : 61,255,051.20 = 18,119,894.40 : x
  2. Step 2: Convert to fraction form
    40,836,700.80/61,255,051.20 = 18,119,894.40/x
  3. Step 3: Cross multiply
    40,836,700.80x = 61,255,051.20 × 18,119,894.40
  4. Step 4: Simplify right side
    40,836,700.80x = 1,109,935,059,210,593.25
  5. Step 5: Solve for x
    x = 1,109,935,059,210,593.25/40,836,700.80
  6. Step 6: Final answer
    x = 27,179,841.60

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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.