Home / 200,812,838.80-301,261,248.60-64,512,000.40

Finding the Fourth Proportional to 200,812,838.80, 301,261,248.60 and 64,512,000.40

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Solution

The fourth proportional to 200,812,838.80, 301,261,248.60 and 64,512,000.40 is: 96,781,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,812,838.80 : 301,261,248.60 = 64,512,000.40 : x
  2. Step 2: Convert to fraction form
    200,812,838.80/301,261,248.60 = 64,512,000.40/x
  3. Step 3: Cross multiply
    200,812,838.80x = 301,261,248.60 × 64,512,000.40
  4. Step 4: Simplify right side
    200,812,838.80x = 19,434,965,790,187,700
  5. Step 5: Solve for x
    x = 19,434,965,790,187,700/200,812,838.80
  6. Step 6: Final answer
    x = 96,781,490.20

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1.5x scale

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.