Home / 281,191,592.25-421,854,730.16-117,338,200.74

Finding the Fourth Proportional to 281,191,592.25, 421,854,730.16 and 117,338,200.74

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Solution

The fourth proportional to 281,191,592.25, 421,854,730.16 and 117,338,200.74 is: 176,035,402.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,191,592.25 : 421,854,730.16 = 117,338,200.74 : x
  2. Step 2: Convert to fraction form
    281,191,592.25/421,854,730.16 = 117,338,200.74/x
  3. Step 3: Cross multiply
    281,191,592.25x = 421,854,730.16 × 117,338,200.74
  4. Step 4: Simplify right side
    281,191,592.25x = 49,499,675,010,045,912
  5. Step 5: Solve for x
    x = 49,499,675,010,045,912/281,191,592.25
  6. Step 6: Final answer
    x = 176,035,402.10

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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.