Home / 119,882,790.51-165,438,248.90-64,878,647.01

Finding the Fourth Proportional to 119,882,790.51, 165,438,248.90 and 64,878,647.01

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Solution

The fourth proportional to 119,882,790.51, 165,438,248.90 and 64,878,647.01 is: 89,532,531.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,882,790.51 : 165,438,248.90 = 64,878,647.01 : x
  2. Step 2: Convert to fraction form
    119,882,790.51/165,438,248.90 = 64,878,647.01/x
  3. Step 3: Cross multiply
    119,882,790.51x = 165,438,248.90 × 64,878,647.01
  4. Step 4: Simplify right side
    119,882,790.51x = 10,733,409,752,011,228
  5. Step 5: Solve for x
    x = 10,733,409,752,011,228/119,882,790.51
  6. Step 6: Final answer
    x = 89,532,531.79

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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.