Home / 71,030,835.86-98,022,848.76-38,435,787.86

Finding the Fourth Proportional to 71,030,835.86, 98,022,848.76 and 38,435,787.86

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Solution

The fourth proportional to 71,030,835.86, 98,022,848.76 and 38,435,787.86 is: 53,041,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,030,835.86 : 98,022,848.76 = 38,435,787.86 : x
  2. Step 2: Convert to fraction form
    71,030,835.86/98,022,848.76 = 38,435,787.86/x
  3. Step 3: Cross multiply
    71,030,835.86x = 98,022,848.76 × 38,435,787.86
  4. Step 4: Simplify right side
    71,030,835.86x = 3,767,585,419,882,109.50
  5. Step 5: Solve for x
    x = 3,767,585,419,882,109.50/71,030,835.86
  6. Step 6: Final answer
    x = 53,041,547.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.