Home / 66,205,812.20-99,249,620.70-25,806,900.20

Finding the Fourth Proportional to 66,205,812.20, 99,249,620.70 and 25,806,900.20

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Solution

The fourth proportional to 66,205,812.20, 99,249,620.70 and 25,806,900.20 is: 38,687,314.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,205,812.20 : 99,249,620.70 = 25,806,900.20 : x
  2. Step 2: Convert to fraction form
    66,205,812.20/99,249,620.70 = 25,806,900.20/x
  3. Step 3: Cross multiply
    66,205,812.20x = 99,249,620.70 × 25,806,900.20
  4. Step 4: Simplify right side
    66,205,812.20x = 2,561,325,056,292,754
  5. Step 5: Solve for x
    x = 2,561,325,056,292,754/66,205,812.20
  6. Step 6: Final answer
    x = 38,687,314.17

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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.