Home / 201,938,827.68-278,675,570.30-109,119,332.52

Finding the Fourth Proportional to 201,938,827.68, 278,675,570.30 and 109,119,332.52

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Solution

The fourth proportional to 201,938,827.68, 278,675,570.30 and 109,119,332.52 is: 150,584,672.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,938,827.68 : 278,675,570.30 = 109,119,332.52 : x
  2. Step 2: Convert to fraction form
    201,938,827.68/278,675,570.30 = 109,119,332.52/x
  3. Step 3: Cross multiply
    201,938,827.68x = 278,675,570.30 × 109,119,332.52
  4. Step 4: Simplify right side
    201,938,827.68x = 30,408,892,220,766,336
  5. Step 5: Solve for x
    x = 30,408,892,220,766,336/201,938,827.68
  6. Step 6: Final answer
    x = 150,584,672.45

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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.