Home / 90,527,195.18-124,930,205.78-64,112,806.01

Finding the Fourth Proportional to 90,527,195.18, 124,930,205.78 and 64,112,806.01

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Solution

The fourth proportional to 90,527,195.18, 124,930,205.78 and 64,112,806.01 is: 88,477,567.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,527,195.18 : 124,930,205.78 = 64,112,806.01 : x
  2. Step 2: Convert to fraction form
    90,527,195.18/124,930,205.78 = 64,112,806.01/x
  3. Step 3: Cross multiply
    90,527,195.18x = 124,930,205.78 × 64,112,806.01
  4. Step 4: Simplify right side
    90,527,195.18x = 8,009,626,047,962,521
  5. Step 5: Solve for x
    x = 8,009,626,047,962,521/90,527,195.18
  6. Step 6: Final answer
    x = 88,477,567.79

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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.