Home / 77,686,254-116,534,979.72-29,817,198

Finding the Fourth Proportional to 77,686,254, 116,534,979.72 and 29,817,198

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Solution

The fourth proportional to 77,686,254, 116,534,979.72 and 29,817,198 is: 44,727,945.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,686,254 : 116,534,979.72 = 29,817,198 : x
  2. Step 2: Convert to fraction form
    77,686,254/116,534,979.72 = 29,817,198/x
  3. Step 3: Cross multiply
    77,686,254x = 116,534,979.72 × 29,817,198
  4. Step 4: Simplify right side
    77,686,254x = 3,474,746,564,237,224.50
  5. Step 5: Solve for x
    x = 3,474,746,564,237,224.50/77,686,254
  6. Step 6: Final answer
    x = 44,727,945.88

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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.