Home / 70,675,432.84-105,955,961.64-31,785,403.64

Finding the Fourth Proportional to 70,675,432.84, 105,955,961.64 and 31,785,403.64

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Solution

The fourth proportional to 70,675,432.84, 105,955,961.64 and 31,785,403.64 is: 47,652,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,675,432.84 : 105,955,961.64 = 31,785,403.64 : x
  2. Step 2: Convert to fraction form
    70,675,432.84/105,955,961.64 = 31,785,403.64/x
  3. Step 3: Cross multiply
    70,675,432.84x = 105,955,961.64 × 31,785,403.64
  4. Step 4: Simplify right side
    70,675,432.84x = 3,367,853,008,791,756.50
  5. Step 5: Solve for x
    x = 3,367,853,008,791,756.50/70,675,432.84
  6. Step 6: Final answer
    x = 47,652,386.03

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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.