Home / 260,736,048.60-391,151,312.10-131,017,205.40

Finding the Fourth Proportional to 260,736,048.60, 391,151,312.10 and 131,017,205.40

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Solution

The fourth proportional to 260,736,048.60, 391,151,312.10 and 131,017,205.40 is: 196,549,545.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,736,048.60 : 391,151,312.10 = 131,017,205.40 : x
  2. Step 2: Convert to fraction form
    260,736,048.60/391,151,312.10 = 131,017,205.40/x
  3. Step 3: Cross multiply
    260,736,048.60x = 391,151,312.10 × 131,017,205.40
  4. Step 4: Simplify right side
    260,736,048.60x = 51,247,551,799,885,208
  5. Step 5: Solve for x
    x = 51,247,551,799,885,208/260,736,048.60
  6. Step 6: Final answer
    x = 196,549,545.32

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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.