Home / 247,280,007.20-370,920,010.80-156,506,093.60

Finding the Fourth Proportional to 247,280,007.20, 370,920,010.80 and 156,506,093.60

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Solution

The fourth proportional to 247,280,007.20, 370,920,010.80 and 156,506,093.60 is: 234,759,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,280,007.20 : 370,920,010.80 = 156,506,093.60 : x
  2. Step 2: Convert to fraction form
    247,280,007.20/370,920,010.80 = 156,506,093.60/x
  3. Step 3: Cross multiply
    247,280,007.20x = 370,920,010.80 × 156,506,093.60
  4. Step 4: Simplify right side
    247,280,007.20x = 58,051,241,928,377,808
  5. Step 5: Solve for x
    x = 58,051,241,928,377,808/247,280,007.20
  6. Step 6: Final answer
    x = 234,759,140.40

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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.