Home / 142,086,901.60-213,130,352.40-34,381,525.60

Finding the Fourth Proportional to 142,086,901.60, 213,130,352.40 and 34,381,525.60

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Solution

The fourth proportional to 142,086,901.60, 213,130,352.40 and 34,381,525.60 is: 51,572,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,086,901.60 : 213,130,352.40 = 34,381,525.60 : x
  2. Step 2: Convert to fraction form
    142,086,901.60/213,130,352.40 = 34,381,525.60/x
  3. Step 3: Cross multiply
    142,086,901.60x = 213,130,352.40 × 34,381,525.60
  4. Step 4: Simplify right side
    142,086,901.60x = 7,327,746,667,177,622
  5. Step 5: Solve for x
    x = 7,327,746,667,177,622/142,086,901.60
  6. Step 6: Final answer
    x = 51,572,288.40

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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.