Home / 142,684,197.35-213,973,798.88-49,287,400.53

Finding the Fourth Proportional to 142,684,197.35, 213,973,798.88 and 49,287,400.53

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Solution

The fourth proportional to 142,684,197.35, 213,973,798.88 and 49,287,400.53 is: 73,912,966.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,684,197.35 : 213,973,798.88 = 49,287,400.53 : x
  2. Step 2: Convert to fraction form
    142,684,197.35/213,973,798.88 = 49,287,400.53/x
  3. Step 3: Cross multiply
    142,684,197.35x = 213,973,798.88 × 49,287,400.53
  4. Step 4: Simplify right side
    142,684,197.35x = 10,546,212,328,077,788
  5. Step 5: Solve for x
    x = 10,546,212,328,077,788/142,684,197.35
  6. Step 6: Final answer
    x = 73,912,966.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.