Home / 136,382,678.25-204,575,788.85-45,506,267.25

Finding the Fourth Proportional to 136,382,678.25, 204,575,788.85 and 45,506,267.25

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Solution

The fourth proportional to 136,382,678.25, 204,575,788.85 and 45,506,267.25 is: 68,259,991.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,382,678.25 : 204,575,788.85 = 45,506,267.25 : x
  2. Step 2: Convert to fraction form
    136,382,678.25/204,575,788.85 = 45,506,267.25/x
  3. Step 3: Cross multiply
    136,382,678.25x = 204,575,788.85 × 45,506,267.25
  4. Step 4: Simplify right side
    136,382,678.25x = 9,309,480,520,060,138
  5. Step 5: Solve for x
    x = 9,309,480,520,060,138/136,382,678.25
  6. Step 6: Final answer
    x = 68,259,991.95

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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.