Home / 70,655,998.40-105,987,496.80-36,643,774.40

Finding the Fourth Proportional to 70,655,998.40, 105,987,496.80 and 36,643,774.40

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Solution

The fourth proportional to 70,655,998.40, 105,987,496.80 and 36,643,774.40 is: 54,967,476.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,655,998.40 : 105,987,496.80 = 36,643,774.40 : x
  2. Step 2: Convert to fraction form
    70,655,998.40/105,987,496.80 = 36,643,774.40/x
  3. Step 3: Cross multiply
    70,655,998.40x = 105,987,496.80 × 36,643,774.40
  4. Step 4: Simplify right side
    70,655,998.40x = 3,883,781,921,959,921.50
  5. Step 5: Solve for x
    x = 3,883,781,921,959,921.50/70,655,998.40
  6. Step 6: Final answer
    x = 54,967,476.36

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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.