Home / 55,488,001.20-83,232,001.80-45,402,010.80

Finding the Fourth Proportional to 55,488,001.20, 83,232,001.80 and 45,402,010.80

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Solution

The fourth proportional to 55,488,001.20, 83,232,001.80 and 45,402,010.80 is: 68,103,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,488,001.20 : 83,232,001.80 = 45,402,010.80 : x
  2. Step 2: Convert to fraction form
    55,488,001.20/83,232,001.80 = 45,402,010.80/x
  3. Step 3: Cross multiply
    55,488,001.20x = 83,232,001.80 × 45,402,010.80
  4. Step 4: Simplify right side
    55,488,001.20x = 3,778,900,244,629,219
  5. Step 5: Solve for x
    x = 3,778,900,244,629,219/55,488,001.20
  6. Step 6: Final answer
    x = 68,103,016.20

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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.