Home / 147,507,312.90-221,260,969.35-70,979,808.90

Finding the Fourth Proportional to 147,507,312.90, 221,260,969.35 and 70,979,808.90

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Solution

The fourth proportional to 147,507,312.90, 221,260,969.35 and 70,979,808.90 is: 106,469,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,507,312.90 : 221,260,969.35 = 70,979,808.90 : x
  2. Step 2: Convert to fraction form
    147,507,312.90/221,260,969.35 = 70,979,808.90/x
  3. Step 3: Cross multiply
    147,507,312.90x = 221,260,969.35 × 70,979,808.90
  4. Step 4: Simplify right side
    147,507,312.90x = 15,705,061,321,491,758
  5. Step 5: Solve for x
    x = 15,705,061,321,491,758/147,507,312.90
  6. Step 6: Final answer
    x = 106,469,713.35

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1.5x scale

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.