Home / 126,015,962.85-189,051,706.53-38,578,141.19

Finding the Fourth Proportional to 126,015,962.85, 189,051,706.53 and 38,578,141.19

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Solution

The fourth proportional to 126,015,962.85, 189,051,706.53 and 38,578,141.19 is: 57,875,710.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,015,962.85 : 189,051,706.53 = 38,578,141.19 : x
  2. Step 2: Convert to fraction form
    126,015,962.85/189,051,706.53 = 38,578,141.19/x
  3. Step 3: Cross multiply
    126,015,962.85x = 189,051,706.53 × 38,578,141.19
  4. Step 4: Simplify right side
    126,015,962.85x = 7,293,263,425,779,527
  5. Step 5: Solve for x
    x = 7,293,263,425,779,527/126,015,962.85
  6. Step 6: Final answer
    x = 57,875,710.83

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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.