Home / 161,697,002.40-242,556,001.20-85,169,498.40

Finding the Fourth Proportional to 161,697,002.40, 242,556,001.20 and 85,169,498.40

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Solution

The fourth proportional to 161,697,002.40, 242,556,001.20 and 85,169,498.40 is: 127,759,776.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,697,002.40 : 242,556,001.20 = 85,169,498.40 : x
  2. Step 2: Convert to fraction form
    161,697,002.40/242,556,001.20 = 85,169,498.40/x
  3. Step 3: Cross multiply
    161,697,002.40x = 242,556,001.20 × 85,169,498.40
  4. Step 4: Simplify right side
    161,697,002.40x = 20,658,372,956,113,800
  5. Step 5: Solve for x
    x = 20,658,372,956,113,800/161,697,002.40
  6. Step 6: Final answer
    x = 127,759,776.93

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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.