Home / 131,075,947.80-196,739,892.90-66,452,722.20

Finding the Fourth Proportional to 131,075,947.80, 196,739,892.90 and 66,452,722.20

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Solution

The fourth proportional to 131,075,947.80, 196,739,892.90 and 66,452,722.20 is: 99,742,948.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,075,947.80 : 196,739,892.90 = 66,452,722.20 : x
  2. Step 2: Convert to fraction form
    131,075,947.80/196,739,892.90 = 66,452,722.20/x
  3. Step 3: Cross multiply
    131,075,947.80x = 196,739,892.90 × 66,452,722.20
  4. Step 4: Simplify right side
    131,075,947.80x = 13,073,901,448,541,454
  5. Step 5: Solve for x
    x = 13,073,901,448,541,454/131,075,947.80
  6. Step 6: Final answer
    x = 99,742,948.02

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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.