Home / 195,208,773.12-292,713,082.56-103,142,021.76

Finding the Fourth Proportional to 195,208,773.12, 292,713,082.56 and 103,142,021.76

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Solution

The fourth proportional to 195,208,773.12, 292,713,082.56 and 103,142,021.76 is: 154,660,155.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,208,773.12 : 292,713,082.56 = 103,142,021.76 : x
  2. Step 2: Convert to fraction form
    195,208,773.12/292,713,082.56 = 103,142,021.76/x
  3. Step 3: Cross multiply
    195,208,773.12x = 292,713,082.56 × 103,142,021.76
  4. Step 4: Simplify right side
    195,208,773.12x = 30,191,019,130,840,200
  5. Step 5: Solve for x
    x = 30,191,019,130,840,200/195,208,773.12
  6. Step 6: Final answer
    x = 154,660,155.12

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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.