Home / 113,490,001.20-170,235,001.80-68,103,044.40

Finding the Fourth Proportional to 113,490,001.20, 170,235,001.80 and 68,103,044.40

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Solution

The fourth proportional to 113,490,001.20, 170,235,001.80 and 68,103,044.40 is: 102,154,566.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,490,001.20 : 170,235,001.80 = 68,103,044.40 : x
  2. Step 2: Convert to fraction form
    113,490,001.20/170,235,001.80 = 68,103,044.40/x
  3. Step 3: Cross multiply
    113,490,001.20x = 170,235,001.80 × 68,103,044.40
  4. Step 4: Simplify right side
    113,490,001.20x = 11,593,521,886,019,482
  5. Step 5: Solve for x
    x = 11,593,521,886,019,482/113,490,001.20
  6. Step 6: Final answer
    x = 102,154,566.60

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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.