Home / 147,905,613.55-221,433,267.52-90,509,985.55

Finding the Fourth Proportional to 147,905,613.55, 221,433,267.52 and 90,509,985.55

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Solution

The fourth proportional to 147,905,613.55, 221,433,267.52 and 90,509,985.55 is: 135,504,808.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,905,613.55 : 221,433,267.52 = 90,509,985.55 : x
  2. Step 2: Convert to fraction form
    147,905,613.55/221,433,267.52 = 90,509,985.55/x
  3. Step 3: Cross multiply
    147,905,613.55x = 221,433,267.52 × 90,509,985.55
  4. Step 4: Simplify right side
    147,905,613.55x = 20,041,921,843,524,484
  5. Step 5: Solve for x
    x = 20,041,921,843,524,484/147,905,613.55
  6. Step 6: Final answer
    x = 135,504,808.52

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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.