Home / 90,851,691.80-136,277,537.70-36,272,701.10

Finding the Fourth Proportional to 90,851,691.80, 136,277,537.70 and 36,272,701.10

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Solution

The fourth proportional to 90,851,691.80, 136,277,537.70 and 36,272,701.10 is: 54,409,051.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,851,691.80 : 136,277,537.70 = 36,272,701.10 : x
  2. Step 2: Convert to fraction form
    90,851,691.80/136,277,537.70 = 36,272,701.10/x
  3. Step 3: Cross multiply
    90,851,691.80x = 136,277,537.70 × 36,272,701.10
  4. Step 4: Simplify right side
    90,851,691.80x = 4,943,154,391,636,081
  5. Step 5: Solve for x
    x = 4,943,154,391,636,081/90,851,691.80
  6. Step 6: Final answer
    x = 54,409,051.65

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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.