Home / 258,708,931.43-357,016,509.18-141,234,261.66

Finding the Fourth Proportional to 258,708,931.43, 357,016,509.18 and 141,234,261.66

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Solution

The fourth proportional to 258,708,931.43, 357,016,509.18 and 141,234,261.66 is: 194,902,289.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,708,931.43 : 357,016,509.18 = 141,234,261.66 : x
  2. Step 2: Convert to fraction form
    258,708,931.43/357,016,509.18 = 141,234,261.66/x
  3. Step 3: Cross multiply
    258,708,931.43x = 357,016,509.18 × 141,234,261.66
  4. Step 4: Simplify right side
    258,708,931.43x = 50,422,963,074,467,912
  5. Step 5: Solve for x
    x = 50,422,963,074,467,912/258,708,931.43
  6. Step 6: Final answer
    x = 194,902,289.60

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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.