Home / 99,360,366.60-149,040,549.90-31,209,947.40

Finding the Fourth Proportional to 99,360,366.60, 149,040,549.90 and 31,209,947.40

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Solution

The fourth proportional to 99,360,366.60, 149,040,549.90 and 31,209,947.40 is: 46,814,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,360,366.60 : 149,040,549.90 = 31,209,947.40 : x
  2. Step 2: Convert to fraction form
    99,360,366.60/149,040,549.90 = 31,209,947.40/x
  3. Step 3: Cross multiply
    99,360,366.60x = 149,040,549.90 × 31,209,947.40
  4. Step 4: Simplify right side
    99,360,366.60x = 4,651,547,722,846,075
  5. Step 5: Solve for x
    x = 4,651,547,722,846,075/99,360,366.60
  6. Step 6: Final answer
    x = 46,814,921.10

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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.