Home / 134,666,459.28-185,839,741.80-72,786,606.48

Finding the Fourth Proportional to 134,666,459.28, 185,839,741.80 and 72,786,606.48

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Solution

The fourth proportional to 134,666,459.28, 185,839,741.80 and 72,786,606.48 is: 100,445,532.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,666,459.28 : 185,839,741.80 = 72,786,606.48 : x
  2. Step 2: Convert to fraction form
    134,666,459.28/185,839,741.80 = 72,786,606.48/x
  3. Step 3: Cross multiply
    134,666,459.28x = 185,839,741.80 × 72,786,606.48
  4. Step 4: Simplify right side
    134,666,459.28x = 13,526,644,154,741,408
  5. Step 5: Solve for x
    x = 13,526,644,154,741,408/134,666,459.28
  6. Step 6: Final answer
    x = 100,445,532.07

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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.