Home / 107,837,352.40-161,420,105.40-77,604,264.40

Finding the Fourth Proportional to 107,837,352.40, 161,420,105.40 and 77,604,264.40

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Solution

The fourth proportional to 107,837,352.40, 161,420,105.40 and 77,604,264.40 is: 116,164,652.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,837,352.40 : 161,420,105.40 = 77,604,264.40 : x
  2. Step 2: Convert to fraction form
    107,837,352.40/161,420,105.40 = 77,604,264.40/x
  3. Step 3: Cross multiply
    107,837,352.40x = 161,420,105.40 × 77,604,264.40
  4. Step 4: Simplify right side
    107,837,352.40x = 12,526,888,538,937,470
  5. Step 5: Solve for x
    x = 12,526,888,538,937,470/107,837,352.40
  6. Step 6: Final answer
    x = 116,164,652.23

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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.