Home / 342,144,666.40-513,216,999.60-160,410,215.20

Finding the Fourth Proportional to 342,144,666.40, 513,216,999.60 and 160,410,215.20

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Solution

The fourth proportional to 342,144,666.40, 513,216,999.60 and 160,410,215.20 is: 240,615,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,144,666.40 : 513,216,999.60 = 160,410,215.20 : x
  2. Step 2: Convert to fraction form
    342,144,666.40/513,216,999.60 = 160,410,215.20/x
  3. Step 3: Cross multiply
    342,144,666.40x = 513,216,999.60 × 160,410,215.20
  4. Step 4: Simplify right side
    342,144,666.40x = 82,325,249,350,134,304
  5. Step 5: Solve for x
    x = 82,325,249,350,134,304/342,144,666.40
  6. Step 6: Final answer
    x = 240,615,322.80

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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.