Home / 178,780,387.84-268,060,828.80-69,477,932.80

Finding the Fourth Proportional to 178,780,387.84, 268,060,828.80 and 69,477,932.80

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Solution

The fourth proportional to 178,780,387.84, 268,060,828.80 and 69,477,932.80 is: 104,174,246.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,780,387.84 : 268,060,828.80 = 69,477,932.80 : x
  2. Step 2: Convert to fraction form
    178,780,387.84/268,060,828.80 = 69,477,932.80/x
  3. Step 3: Cross multiply
    178,780,387.84x = 268,060,828.80 × 69,477,932.80
  4. Step 4: Simplify right side
    178,780,387.84x = 18,624,312,249,678,704
  5. Step 5: Solve for x
    x = 18,624,312,249,678,704/178,780,387.84
  6. Step 6: Final answer
    x = 104,174,246.82

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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.