Home / 261,350,973.70-392,037,283.46-77,118,443.62

Finding the Fourth Proportional to 261,350,973.70, 392,037,283.46 and 77,118,443.62

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Solution

The fourth proportional to 261,350,973.70, 392,037,283.46 and 77,118,443.62 is: 115,680,859.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,350,973.70 : 392,037,283.46 = 77,118,443.62 : x
  2. Step 2: Convert to fraction form
    261,350,973.70/392,037,283.46 = 77,118,443.62/x
  3. Step 3: Cross multiply
    261,350,973.70x = 392,037,283.46 × 77,118,443.62
  4. Step 4: Simplify right side
    261,350,973.70x = 30,233,305,140,660,672
  5. Step 5: Solve for x
    x = 30,233,305,140,660,672/261,350,973.70
  6. Step 6: Final answer
    x = 115,680,859.01

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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.