Home / 147,506,804.80-221,260,207.20-132,894,145.60

Finding the Fourth Proportional to 147,506,804.80, 221,260,207.20 and 132,894,145.60

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Solution

The fourth proportional to 147,506,804.80, 221,260,207.20 and 132,894,145.60 is: 199,341,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,506,804.80 : 221,260,207.20 = 132,894,145.60 : x
  2. Step 2: Convert to fraction form
    147,506,804.80/221,260,207.20 = 132,894,145.60/x
  3. Step 3: Cross multiply
    147,506,804.80x = 221,260,207.20 × 132,894,145.60
  4. Step 4: Simplify right side
    147,506,804.80x = 29,404,186,191,122,964
  5. Step 5: Solve for x
    x = 29,404,186,191,122,964/147,506,804.80
  6. Step 6: Final answer
    x = 199,341,218.40

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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.