Home / 102,642,410.04-141,646,476.78-61,389,301.56

Finding the Fourth Proportional to 102,642,410.04, 141,646,476.78 and 61,389,301.56

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Solution

The fourth proportional to 102,642,410.04, 141,646,476.78 and 61,389,301.56 is: 84,717,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,642,410.04 : 141,646,476.78 = 61,389,301.56 : x
  2. Step 2: Convert to fraction form
    102,642,410.04/141,646,476.78 = 61,389,301.56/x
  3. Step 3: Cross multiply
    102,642,410.04x = 141,646,476.78 × 61,389,301.56
  4. Step 4: Simplify right side
    102,642,410.04x = 8,695,578,277,958,958
  5. Step 5: Solve for x
    x = 8,695,578,277,958,958/102,642,410.04
  6. Step 6: Final answer
    x = 84,717,206.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.