Home / 99,312,043.70-148,968,065.55-27,508,459.70

Finding the Fourth Proportional to 99,312,043.70, 148,968,065.55 and 27,508,459.70

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Solution

The fourth proportional to 99,312,043.70, 148,968,065.55 and 27,508,459.70 is: 41,262,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,312,043.70 : 148,968,065.55 = 27,508,459.70 : x
  2. Step 2: Convert to fraction form
    99,312,043.70/148,968,065.55 = 27,508,459.70/x
  3. Step 3: Cross multiply
    99,312,043.70x = 148,968,065.55 × 27,508,459.70
  4. Step 4: Simplify right side
    99,312,043.70x = 4,097,882,027,769,133.50
  5. Step 5: Solve for x
    x = 4,097,882,027,769,133.50/99,312,043.70
  6. Step 6: Final answer
    x = 41,262,689.55

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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.