Home / 105,988,044.60-158,982,066.90-83,029,793.40

Finding the Fourth Proportional to 105,988,044.60, 158,982,066.90 and 83,029,793.40

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Solution

The fourth proportional to 105,988,044.60, 158,982,066.90 and 83,029,793.40 is: 124,544,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,988,044.60 : 158,982,066.90 = 83,029,793.40 : x
  2. Step 2: Convert to fraction form
    105,988,044.60/158,982,066.90 = 83,029,793.40/x
  3. Step 3: Cross multiply
    105,988,044.60x = 158,982,066.90 × 83,029,793.40
  4. Step 4: Simplify right side
    105,988,044.60x = 13,200,248,169,011,980
  5. Step 5: Solve for x
    x = 13,200,248,169,011,980/105,988,044.60
  6. Step 6: Final answer
    x = 124,544,690.10

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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.