Home / 51,031,685.70-76,547,528.55-45,770,419.80

Finding the Fourth Proportional to 51,031,685.70, 76,547,528.55 and 45,770,419.80

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Solution

The fourth proportional to 51,031,685.70, 76,547,528.55 and 45,770,419.80 is: 68,655,629.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,031,685.70 : 76,547,528.55 = 45,770,419.80 : x
  2. Step 2: Convert to fraction form
    51,031,685.70/76,547,528.55 = 45,770,419.80/x
  3. Step 3: Cross multiply
    51,031,685.70x = 76,547,528.55 × 45,770,419.80
  4. Step 4: Simplify right side
    51,031,685.70x = 3,503,612,516,385,985
  5. Step 5: Solve for x
    x = 3,503,612,516,385,985/51,031,685.70
  6. Step 6: Final answer
    x = 68,655,629.70

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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.