Home / 156,424,967.88-216,045,614.54-103,018,370.38

Finding the Fourth Proportional to 156,424,967.88, 216,045,614.54 and 103,018,370.38

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Solution

The fourth proportional to 156,424,967.88, 216,045,614.54 and 103,018,370.38 is: 142,283,341.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,424,967.88 : 216,045,614.54 = 103,018,370.38 : x
  2. Step 2: Convert to fraction form
    156,424,967.88/216,045,614.54 = 103,018,370.38/x
  3. Step 3: Cross multiply
    156,424,967.88x = 216,045,614.54 × 103,018,370.38
  4. Step 4: Simplify right side
    156,424,967.88x = 22,256,667,137,656,432
  5. Step 5: Solve for x
    x = 22,256,667,137,656,432/156,424,967.88
  6. Step 6: Final answer
    x = 142,283,341.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.