Home / 140,803,688.04-194,318,069.28-78,924,042.60

Finding the Fourth Proportional to 140,803,688.04, 194,318,069.28 and 78,924,042.60

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Solution

The fourth proportional to 140,803,688.04, 194,318,069.28 and 78,924,042.60 is: 108,920,212.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,803,688.04 : 194,318,069.28 = 78,924,042.60 : x
  2. Step 2: Convert to fraction form
    140,803,688.04/194,318,069.28 = 78,924,042.60/x
  3. Step 3: Cross multiply
    140,803,688.04x = 194,318,069.28 × 78,924,042.60
  4. Step 4: Simplify right side
    140,803,688.04x = 15,336,367,577,804,470
  5. Step 5: Solve for x
    x = 15,336,367,577,804,470/140,803,688.04
  6. Step 6: Final answer
    x = 108,920,212.19

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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.