Home / 186,432,006.70-279,648,010.05-118,575,520.30

Finding the Fourth Proportional to 186,432,006.70, 279,648,010.05 and 118,575,520.30

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Solution

The fourth proportional to 186,432,006.70, 279,648,010.05 and 118,575,520.30 is: 177,863,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,432,006.70 : 279,648,010.05 = 118,575,520.30 : x
  2. Step 2: Convert to fraction form
    186,432,006.70/279,648,010.05 = 118,575,520.30/x
  3. Step 3: Cross multiply
    186,432,006.70x = 279,648,010.05 × 118,575,520.30
  4. Step 4: Simplify right side
    186,432,006.70x = 33,159,408,292,538,380
  5. Step 5: Solve for x
    x = 33,159,408,292,538,380/186,432,006.70
  6. Step 6: Final answer
    x = 177,863,280.45

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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.