Home / 195,613,011.80-293,232,893.70-72,758,432.60

Finding the Fourth Proportional to 195,613,011.80, 293,232,893.70 and 72,758,432.60

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Solution

The fourth proportional to 195,613,011.80, 293,232,893.70 and 72,758,432.60 is: 109,068,233.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,613,011.80 : 293,232,893.70 = 72,758,432.60 : x
  2. Step 2: Convert to fraction form
    195,613,011.80/293,232,893.70 = 72,758,432.60/x
  3. Step 3: Cross multiply
    195,613,011.80x = 293,232,893.70 × 72,758,432.60
  4. Step 4: Simplify right side
    195,613,011.80x = 21,335,165,732,374,412
  5. Step 5: Solve for x
    x = 21,335,165,732,374,412/195,613,011.80
  6. Step 6: Final answer
    x = 109,068,233.94

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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.