Home / 147,507,323.40-221,260,985.10-70,979,819.40

Finding the Fourth Proportional to 147,507,323.40, 221,260,985.10 and 70,979,819.40

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Solution

The fourth proportional to 147,507,323.40, 221,260,985.10 and 70,979,819.40 is: 106,469,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,507,323.40 : 221,260,985.10 = 70,979,819.40 : x
  2. Step 2: Convert to fraction form
    147,507,323.40/221,260,985.10 = 70,979,819.40/x
  3. Step 3: Cross multiply
    147,507,323.40x = 221,260,985.10 × 70,979,819.40
  4. Step 4: Simplify right side
    147,507,323.40x = 15,705,064,762,664,092
  5. Step 5: Solve for x
    x = 15,705,064,762,664,092/147,507,323.40
  6. Step 6: Final answer
    x = 106,469,729.10

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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.