Home / 136,039,593.60-204,271,966.80-78,643,965.60

Finding the Fourth Proportional to 136,039,593.60, 204,271,966.80 and 78,643,965.60

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Solution

The fourth proportional to 136,039,593.60, 204,271,966.80 and 78,643,965.60 is: 118,088,838.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,039,593.60 : 204,271,966.80 = 78,643,965.60 : x
  2. Step 2: Convert to fraction form
    136,039,593.60/204,271,966.80 = 78,643,965.60/x
  3. Step 3: Cross multiply
    136,039,593.60x = 204,271,966.80 × 78,643,965.60
  4. Step 4: Simplify right side
    136,039,593.60x = 16,064,757,530,063,542
  5. Step 5: Solve for x
    x = 16,064,757,530,063,542/136,039,593.60
  6. Step 6: Final answer
    x = 118,088,838.00

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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.