Home / 77,206,356.40-115,809,534.60-26,087,637.10

Finding the Fourth Proportional to 77,206,356.40, 115,809,534.60 and 26,087,637.10

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Solution

The fourth proportional to 77,206,356.40, 115,809,534.60 and 26,087,637.10 is: 39,131,455.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,206,356.40 : 115,809,534.60 = 26,087,637.10 : x
  2. Step 2: Convert to fraction form
    77,206,356.40/115,809,534.60 = 26,087,637.10/x
  3. Step 3: Cross multiply
    77,206,356.40x = 115,809,534.60 × 26,087,637.10
  4. Step 4: Simplify right side
    77,206,356.40x = 3,021,197,111,364,693.50
  5. Step 5: Solve for x
    x = 3,021,197,111,364,693.50/77,206,356.40
  6. Step 6: Final answer
    x = 39,131,455.65

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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.