Home / 189,360,013.60-284,040,020.40-138,341,677.60

Finding the Fourth Proportional to 189,360,013.60, 284,040,020.40 and 138,341,677.60

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Solution

The fourth proportional to 189,360,013.60, 284,040,020.40 and 138,341,677.60 is: 207,512,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,360,013.60 : 284,040,020.40 = 138,341,677.60 : x
  2. Step 2: Convert to fraction form
    189,360,013.60/284,040,020.40 = 138,341,677.60/x
  3. Step 3: Cross multiply
    189,360,013.60x = 284,040,020.40 × 138,341,677.60
  4. Step 4: Simplify right side
    189,360,013.60x = 39,294,572,927,674,216
  5. Step 5: Solve for x
    x = 39,294,572,927,674,216/189,360,013.60
  6. Step 6: Final answer
    x = 207,512,516.40

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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.