Home / 99,221,738-148,852,473.06-55,564,581.04

Finding the Fourth Proportional to 99,221,738, 148,852,473.06 and 55,564,581.04

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Solution

The fourth proportional to 99,221,738, 148,852,473.06 and 55,564,581.04 is: 83,357,996.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,221,738 : 148,852,473.06 = 55,564,581.04 : x
  2. Step 2: Convert to fraction form
    99,221,738/148,852,473.06 = 55,564,581.04/x
  3. Step 3: Cross multiply
    99,221,738x = 148,852,473.06 × 55,564,581.04
  4. Step 4: Simplify right side
    99,221,738x = 8,270,925,302,346,787
  5. Step 5: Solve for x
    x = 8,270,925,302,346,787/99,221,738
  6. Step 6: Final answer
    x = 83,357,996.64

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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.