Home / 181,436,929.02-272,155,405.92-72,338,713.98

Finding the Fourth Proportional to 181,436,929.02, 272,155,405.92 and 72,338,713.98

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Solution

The fourth proportional to 181,436,929.02, 272,155,405.92 and 72,338,713.98 is: 108,508,075.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,436,929.02 : 272,155,405.92 = 72,338,713.98 : x
  2. Step 2: Convert to fraction form
    181,436,929.02/272,155,405.92 = 72,338,713.98/x
  3. Step 3: Cross multiply
    181,436,929.02x = 272,155,405.92 × 72,338,713.98
  4. Step 4: Simplify right side
    181,436,929.02x = 19,687,372,067,228,948
  5. Step 5: Solve for x
    x = 19,687,372,067,228,948/181,436,929.02
  6. Step 6: Final answer
    x = 108,508,075.91

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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.