Home / 148,963,206.96-205,565,997.96-86,241,947.76

Finding the Fourth Proportional to 148,963,206.96, 205,565,997.96 and 86,241,947.76

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Solution

The fourth proportional to 148,963,206.96, 205,565,997.96 and 86,241,947.76 is: 119,012,019.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,963,206.96 : 205,565,997.96 = 86,241,947.76 : x
  2. Step 2: Convert to fraction form
    148,963,206.96/205,565,997.96 = 86,241,947.76/x
  3. Step 3: Cross multiply
    148,963,206.96x = 205,565,997.96 × 86,241,947.76
  4. Step 4: Simplify right side
    148,963,206.96x = 17,728,412,057,298,588
  5. Step 5: Solve for x
    x = 17,728,412,057,298,588/148,963,206.96
  6. Step 6: Final answer
    x = 119,012,019.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.