Home / 135,477,181.28-186,943,516.42-75,124,657.72

Finding the Fourth Proportional to 135,477,181.28, 186,943,516.42 and 75,124,657.72

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Solution

The fourth proportional to 135,477,181.28, 186,943,516.42 and 75,124,657.72 is: 103,663,713.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,477,181.28 : 186,943,516.42 = 75,124,657.72 : x
  2. Step 2: Convert to fraction form
    135,477,181.28/186,943,516.42 = 75,124,657.72/x
  3. Step 3: Cross multiply
    135,477,181.28x = 186,943,516.42 × 75,124,657.72
  4. Step 4: Simplify right side
    135,477,181.28x = 14,044,067,683,370,528
  5. Step 5: Solve for x
    x = 14,044,067,683,370,528/135,477,181.28
  6. Step 6: Final answer
    x = 103,663,713.33

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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.