Home / 268,005,205.40-402,007,808.10-176,172,200.60

Finding the Fourth Proportional to 268,005,205.40, 402,007,808.10 and 176,172,200.60

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Solution

The fourth proportional to 268,005,205.40, 402,007,808.10 and 176,172,200.60 is: 264,258,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,005,205.40 : 402,007,808.10 = 176,172,200.60 : x
  2. Step 2: Convert to fraction form
    268,005,205.40/402,007,808.10 = 176,172,200.60/x
  3. Step 3: Cross multiply
    268,005,205.40x = 402,007,808.10 × 176,172,200.60
  4. Step 4: Simplify right side
    268,005,205.40x = 70,822,600,211,359,504
  5. Step 5: Solve for x
    x = 70,822,600,211,359,504/268,005,205.40
  6. Step 6: Final answer
    x = 264,258,300.90

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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.