Home / 271,930,030.08-408,015,616.86-142,506,869.28

Finding the Fourth Proportional to 271,930,030.08, 408,015,616.86 and 142,506,869.28

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Solution

The fourth proportional to 271,930,030.08, 408,015,616.86 and 142,506,869.28 is: 213,823,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,930,030.08 : 408,015,616.86 = 142,506,869.28 : x
  2. Step 2: Convert to fraction form
    271,930,030.08/408,015,616.86 = 142,506,869.28/x
  3. Step 3: Cross multiply
    271,930,030.08x = 408,015,616.86 × 142,506,869.28
  4. Step 4: Simplify right side
    271,930,030.08x = 58,145,028,176,066,584
  5. Step 5: Solve for x
    x = 58,145,028,176,066,584/271,930,030.08
  6. Step 6: Final answer
    x = 213,823,490.40

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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.