Home / 186,432,187.20-279,648,280.80-118,575,700.80

Finding the Fourth Proportional to 186,432,187.20, 279,648,280.80 and 118,575,700.80

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Solution

The fourth proportional to 186,432,187.20, 279,648,280.80 and 118,575,700.80 is: 177,863,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,432,187.20 : 279,648,280.80 = 118,575,700.80 : x
  2. Step 2: Convert to fraction form
    186,432,187.20/279,648,280.80 = 118,575,700.80/x
  3. Step 3: Cross multiply
    186,432,187.20x = 279,648,280.80 × 118,575,700.80
  4. Step 4: Simplify right side
    186,432,187.20x = 33,159,490,873,375,184
  5. Step 5: Solve for x
    x = 33,159,490,873,375,184/186,432,187.20
  6. Step 6: Final answer
    x = 177,863,551.20

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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.