Home / 268,013,338.20-402,020,007.30-176,180,333.40

Finding the Fourth Proportional to 268,013,338.20, 402,020,007.30 and 176,180,333.40

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Solution

The fourth proportional to 268,013,338.20, 402,020,007.30 and 176,180,333.40 is: 264,270,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,013,338.20 : 402,020,007.30 = 176,180,333.40 : x
  2. Step 2: Convert to fraction form
    268,013,338.20/402,020,007.30 = 176,180,333.40/x
  3. Step 3: Cross multiply
    268,013,338.20x = 402,020,007.30 × 176,180,333.40
  4. Step 4: Simplify right side
    268,013,338.20x = 70,828,018,919,584,440
  5. Step 5: Solve for x
    x = 70,828,018,919,584,440/268,013,338.20
  6. Step 6: Final answer
    x = 264,270,500.10

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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.