Home / 176,380,613.88-243,418,866.48-105,818,870.04

Finding the Fourth Proportional to 176,380,613.88, 243,418,866.48 and 105,818,870.04

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Solution

The fourth proportional to 176,380,613.88, 243,418,866.48 and 105,818,870.04 is: 146,038,211.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,380,613.88 : 243,418,866.48 = 105,818,870.04 : x
  2. Step 2: Convert to fraction form
    176,380,613.88/243,418,866.48 = 105,818,870.04/x
  3. Step 3: Cross multiply
    176,380,613.88x = 243,418,866.48 × 105,818,870.04
  4. Step 4: Simplify right side
    176,380,613.88x = 25,758,309,397,331,232
  5. Step 5: Solve for x
    x = 25,758,309,397,331,232/176,380,613.88
  6. Step 6: Final answer
    x = 146,038,211.52

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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.