Home / 239,232,534.75-330,141,030.80-129,224,248.83

Finding the Fourth Proportional to 239,232,534.75, 330,141,030.80 and 129,224,248.83

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Solution

The fourth proportional to 239,232,534.75, 330,141,030.80 and 129,224,248.83 is: 178,329,535.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,232,534.75 : 330,141,030.80 = 129,224,248.83 : x
  2. Step 2: Convert to fraction form
    239,232,534.75/330,141,030.80 = 129,224,248.83/x
  3. Step 3: Cross multiply
    239,232,534.75x = 330,141,030.80 × 129,224,248.83
  4. Step 4: Simplify right side
    239,232,534.75x = 42,662,226,712,445,776
  5. Step 5: Solve for x
    x = 42,662,226,712,445,776/239,232,534.75
  6. Step 6: Final answer
    x = 178,329,535.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.