Home / 134,919,690.80-186,189,592.55-73,039,881.74

Finding the Fourth Proportional to 134,919,690.80, 186,189,592.55 and 73,039,881.74

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Solution

The fourth proportional to 134,919,690.80, 186,189,592.55 and 73,039,881.74 is: 100,795,263.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,919,690.80 : 186,189,592.55 = 73,039,881.74 : x
  2. Step 2: Convert to fraction form
    134,919,690.80/186,189,592.55 = 73,039,881.74/x
  3. Step 3: Cross multiply
    134,919,690.80x = 186,189,592.55 × 73,039,881.74
  4. Step 4: Simplify right side
    134,919,690.80x = 13,599,265,819,774,636
  5. Step 5: Solve for x
    x = 13,599,265,819,774,636/134,919,690.80
  6. Step 6: Final answer
    x = 100,795,263.76

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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.