Home / 228,655,994.92-342,810,432.06-117,872,285.20

Finding the Fourth Proportional to 228,655,994.92, 342,810,432.06 and 117,872,285.20

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Solution

The fourth proportional to 228,655,994.92, 342,810,432.06 and 117,872,285.20 is: 176,718,957.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,655,994.92 : 342,810,432.06 = 117,872,285.20 : x
  2. Step 2: Convert to fraction form
    228,655,994.92/342,810,432.06 = 117,872,285.20/x
  3. Step 3: Cross multiply
    228,655,994.92x = 342,810,432.06 × 117,872,285.20
  4. Step 4: Simplify right side
    228,655,994.92x = 40,407,849,017,311,544
  5. Step 5: Solve for x
    x = 40,407,849,017,311,544/228,655,994.92
  6. Step 6: Final answer
    x = 176,718,957.36

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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.