Home / 70,956,428.80-106,434,643.20-17,103,740.80

Finding the Fourth Proportional to 70,956,428.80, 106,434,643.20 and 17,103,740.80

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Solution

The fourth proportional to 70,956,428.80, 106,434,643.20 and 17,103,740.80 is: 25,655,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,956,428.80 : 106,434,643.20 = 17,103,740.80 : x
  2. Step 2: Convert to fraction form
    70,956,428.80/106,434,643.20 = 17,103,740.80/x
  3. Step 3: Cross multiply
    70,956,428.80x = 106,434,643.20 × 17,103,740.80
  4. Step 4: Simplify right side
    70,956,428.80x = 1,820,430,549,433,282.75
  5. Step 5: Solve for x
    x = 1,820,430,549,433,282.75/70,956,428.80
  6. Step 6: Final answer
    x = 25,655,611.20

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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.