Home / 135,251,213-186,646,673.94-77,305,705.16

Finding the Fourth Proportional to 135,251,213, 186,646,673.94 and 77,305,705.16

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Solution

The fourth proportional to 135,251,213, 186,646,673.94 and 77,305,705.16 is: 106,681,873.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,251,213 : 186,646,673.94 = 77,305,705.16 : x
  2. Step 2: Convert to fraction form
    135,251,213/186,646,673.94 = 77,305,705.16/x
  3. Step 3: Cross multiply
    135,251,213x = 186,646,673.94 × 77,305,705.16
  4. Step 4: Simplify right side
    135,251,213x = 14,428,852,744,700,294
  5. Step 5: Solve for x
    x = 14,428,852,744,700,294/135,251,213
  6. Step 6: Final answer
    x = 106,681,873.12

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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.