Home / 258,584,719.80-387,877,079.70-161,649,881.40

Finding the Fourth Proportional to 258,584,719.80, 387,877,079.70 and 161,649,881.40

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Solution

The fourth proportional to 258,584,719.80, 387,877,079.70 and 161,649,881.40 is: 242,474,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,584,719.80 : 387,877,079.70 = 161,649,881.40 : x
  2. Step 2: Convert to fraction form
    258,584,719.80/387,877,079.70 = 161,649,881.40/x
  3. Step 3: Cross multiply
    258,584,719.80x = 387,877,079.70 × 161,649,881.40
  4. Step 4: Simplify right side
    258,584,719.80x = 62,700,283,931,283,344
  5. Step 5: Solve for x
    x = 62,700,283,931,283,344/258,584,719.80
  6. Step 6: Final answer
    x = 242,474,822.10

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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.