Home / 261,630,728.59-360,936,957.50-155,724,760.14

Finding the Fourth Proportional to 261,630,728.59, 360,936,957.50 and 155,724,760.14

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Solution

The fourth proportional to 261,630,728.59, 360,936,957.50 and 155,724,760.14 is: 214,832,643.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,630,728.59 : 360,936,957.50 = 155,724,760.14 : x
  2. Step 2: Convert to fraction form
    261,630,728.59/360,936,957.50 = 155,724,760.14/x
  3. Step 3: Cross multiply
    261,630,728.59x = 360,936,957.50 × 155,724,760.14
  4. Step 4: Simplify right side
    261,630,728.59x = 56,206,821,130,933,496
  5. Step 5: Solve for x
    x = 56,206,821,130,933,496/261,630,728.59
  6. Step 6: Final answer
    x = 214,832,643.84

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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.