Home / 268,013,335.20-402,020,002.80-176,180,330.40

Finding the Fourth Proportional to 268,013,335.20, 402,020,002.80 and 176,180,330.40

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Solution

The fourth proportional to 268,013,335.20, 402,020,002.80 and 176,180,330.40 is: 264,270,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,013,335.20 : 402,020,002.80 = 176,180,330.40 : x
  2. Step 2: Convert to fraction form
    268,013,335.20/402,020,002.80 = 176,180,330.40/x
  3. Step 3: Cross multiply
    268,013,335.20x = 402,020,002.80 × 176,180,330.40
  4. Step 4: Simplify right side
    268,013,335.20x = 70,828,016,920,712,928
  5. Step 5: Solve for x
    x = 70,828,016,920,712,928/268,013,335.20
  6. Step 6: Final answer
    x = 264,270,495.60

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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.