Home / 107,813,610.80-161,741,411.40-31,139,140.40

Finding the Fourth Proportional to 107,813,610.80, 161,741,411.40 and 31,139,140.40

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Solution

The fourth proportional to 107,813,610.80, 161,741,411.40 and 31,139,140.40 is: 46,714,774.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,813,610.80 : 161,741,411.40 = 31,139,140.40 : x
  2. Step 2: Convert to fraction form
    107,813,610.80/161,741,411.40 = 31,139,140.40/x
  3. Step 3: Cross multiply
    107,813,610.80x = 161,741,411.40 × 31,139,140.40
  4. Step 4: Simplify right side
    107,813,610.80x = 5,036,488,518,078,761
  5. Step 5: Solve for x
    x = 5,036,488,518,078,761/107,813,610.80
  6. Step 6: Final answer
    x = 46,714,774.51

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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.