Home / 81,248,707.61-112,123,204.13-46,442,145.41

Finding the Fourth Proportional to 81,248,707.61, 112,123,204.13 and 46,442,145.41

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Solution

The fourth proportional to 81,248,707.61, 112,123,204.13 and 46,442,145.41 is: 64,090,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,248,707.61 : 112,123,204.13 = 46,442,145.41 : x
  2. Step 2: Convert to fraction form
    81,248,707.61/112,123,204.13 = 46,442,145.41/x
  3. Step 3: Cross multiply
    81,248,707.61x = 112,123,204.13 × 46,442,145.41
  4. Step 4: Simplify right side
    81,248,707.61x = 5,207,242,149,247,746
  5. Step 5: Solve for x
    x = 5,207,242,149,247,746/81,248,707.61
  6. Step 6: Final answer
    x = 64,090,153.59

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1.5x scale

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.