Home / 121,278,111.70-181,917,167.55-35,025,237.40

Finding the Fourth Proportional to 121,278,111.70, 181,917,167.55 and 35,025,237.40

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Solution

The fourth proportional to 121,278,111.70, 181,917,167.55 and 35,025,237.40 is: 52,537,856.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,278,111.70 : 181,917,167.55 = 35,025,237.40 : x
  2. Step 2: Convert to fraction form
    121,278,111.70/181,917,167.55 = 35,025,237.40/x
  3. Step 3: Cross multiply
    121,278,111.70x = 181,917,167.55 × 35,025,237.40
  4. Step 4: Simplify right side
    121,278,111.70x = 6,371,691,980,574,327
  5. Step 5: Solve for x
    x = 6,371,691,980,574,327/121,278,111.70
  6. Step 6: Final answer
    x = 52,537,856.10

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1.5x scale

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.