Home / 65,154,938.60-97,732,407.90-43,330,428.20

Finding the Fourth Proportional to 65,154,938.60, 97,732,407.90 and 43,330,428.20

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Solution

The fourth proportional to 65,154,938.60, 97,732,407.90 and 43,330,428.20 is: 64,995,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,154,938.60 : 97,732,407.90 = 43,330,428.20 : x
  2. Step 2: Convert to fraction form
    65,154,938.60/97,732,407.90 = 43,330,428.20/x
  3. Step 3: Cross multiply
    65,154,938.60x = 97,732,407.90 × 43,330,428.20
  4. Step 4: Simplify right side
    65,154,938.60x = 4,234,787,083,324,063.50
  5. Step 5: Solve for x
    x = 4,234,787,083,324,063.50/65,154,938.60
  6. Step 6: Final answer
    x = 64,995,642.30

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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.