Home / 147,507,333.40-221,261,000.10-70,979,829.40

Finding the Fourth Proportional to 147,507,333.40, 221,261,000.10 and 70,979,829.40

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Solution

The fourth proportional to 147,507,333.40, 221,261,000.10 and 70,979,829.40 is: 106,469,744.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,507,333.40 : 221,261,000.10 = 70,979,829.40 : x
  2. Step 2: Convert to fraction form
    147,507,333.40/221,261,000.10 = 70,979,829.40/x
  3. Step 3: Cross multiply
    147,507,333.40x = 221,261,000.10 × 70,979,829.40
  4. Step 4: Simplify right side
    147,507,333.40x = 15,705,068,039,971,384
  5. Step 5: Solve for x
    x = 15,705,068,039,971,384/147,507,333.40
  6. Step 6: Final answer
    x = 106,469,744.10

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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.