Home / 77,254,368.30-115,881,552.45-26,138,054.70

Finding the Fourth Proportional to 77,254,368.30, 115,881,552.45 and 26,138,054.70

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Solution

The fourth proportional to 77,254,368.30, 115,881,552.45 and 26,138,054.70 is: 39,207,082.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,254,368.30 : 115,881,552.45 = 26,138,054.70 : x
  2. Step 2: Convert to fraction form
    77,254,368.30/115,881,552.45 = 26,138,054.70/x
  3. Step 3: Cross multiply
    77,254,368.30x = 115,881,552.45 × 26,138,054.70
  4. Step 4: Simplify right side
    77,254,368.30x = 3,028,918,356,659,019
  5. Step 5: Solve for x
    x = 3,028,918,356,659,019/77,254,368.30
  6. Step 6: Final answer
    x = 39,207,082.05

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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.