Home / 238,495,342.85-357,743,139.03-74,745,852.80

Finding the Fourth Proportional to 238,495,342.85, 357,743,139.03 and 74,745,852.80

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Solution

The fourth proportional to 238,495,342.85, 357,743,139.03 and 74,745,852.80 is: 112,118,818.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,495,342.85 : 357,743,139.03 = 74,745,852.80 : x
  2. Step 2: Convert to fraction form
    238,495,342.85/357,743,139.03 = 74,745,852.80/x
  3. Step 3: Cross multiply
    238,495,342.85x = 357,743,139.03 × 74,745,852.80
  4. Step 4: Simplify right side
    238,495,342.85x = 26,739,816,008,357,596
  5. Step 5: Solve for x
    x = 26,739,816,008,357,596/238,495,342.85
  6. Step 6: Final answer
    x = 112,118,818.29

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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.