Home / 260,681,567.10-391,074,838.65-76,448,687.10

Finding the Fourth Proportional to 260,681,567.10, 391,074,838.65 and 76,448,687.10

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Solution

The fourth proportional to 260,681,567.10, 391,074,838.65 and 76,448,687.10 is: 114,688,423.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,681,567.10 : 391,074,838.65 = 76,448,687.10 : x
  2. Step 2: Convert to fraction form
    260,681,567.10/391,074,838.65 = 76,448,687.10/x
  3. Step 3: Cross multiply
    260,681,567.10x = 391,074,838.65 × 76,448,687.10
  4. Step 4: Simplify right side
    260,681,567.10x = 29,897,157,972,636,832
  5. Step 5: Solve for x
    x = 29,897,157,972,636,832/260,681,567.10
  6. Step 6: Final answer
    x = 114,688,423.52

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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.