Home / 70,942,203.65-97,900,197.72-38,347,155.65

Finding the Fourth Proportional to 70,942,203.65, 97,900,197.72 and 38,347,155.65

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Solution

The fourth proportional to 70,942,203.65, 97,900,197.72 and 38,347,155.65 is: 52,919,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,942,203.65 : 97,900,197.72 = 38,347,155.65 : x
  2. Step 2: Convert to fraction form
    70,942,203.65/97,900,197.72 = 38,347,155.65/x
  3. Step 3: Cross multiply
    70,942,203.65x = 97,900,197.72 × 38,347,155.65
  4. Step 4: Simplify right side
    70,942,203.65x = 3,754,194,119,645,114.50
  5. Step 5: Solve for x
    x = 3,754,194,119,645,114.50/70,942,203.65
  6. Step 6: Final answer
    x = 52,919,051.38

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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.