Home / 147,420,069.40-221,130,104.10-145,506,881.80

Finding the Fourth Proportional to 147,420,069.40, 221,130,104.10 and 145,506,881.80

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Solution

The fourth proportional to 147,420,069.40, 221,130,104.10 and 145,506,881.80 is: 218,260,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,420,069.40 : 221,130,104.10 = 145,506,881.80 : x
  2. Step 2: Convert to fraction form
    147,420,069.40/221,130,104.10 = 145,506,881.80/x
  3. Step 3: Cross multiply
    147,420,069.40x = 221,130,104.10 × 145,506,881.80
  4. Step 4: Simplify right side
    147,420,069.40x = 32,175,951,919,700,396
  5. Step 5: Solve for x
    x = 32,175,951,919,700,396/147,420,069.40
  6. Step 6: Final answer
    x = 218,260,322.70

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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.