Home / 260,776,871.10-391,165,306.65-157,464,740.70

Finding the Fourth Proportional to 260,776,871.10, 391,165,306.65 and 157,464,740.70

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Solution

The fourth proportional to 260,776,871.10, 391,165,306.65 and 157,464,740.70 is: 236,197,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,776,871.10 : 391,165,306.65 = 157,464,740.70 : x
  2. Step 2: Convert to fraction form
    260,776,871.10/391,165,306.65 = 157,464,740.70/x
  3. Step 3: Cross multiply
    260,776,871.10x = 391,165,306.65 × 157,464,740.70
  4. Step 4: Simplify right side
    260,776,871.10x = 61,594,743,582,478,224
  5. Step 5: Solve for x
    x = 61,594,743,582,478,224/260,776,871.10
  6. Step 6: Final answer
    x = 236,197,111.05

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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.