Home / 142,320,909,868.92-213,480,440,094.42-36,202,069,486.20

Finding the Fourth Proportional to 142,320,909,868.92, 213,480,440,094.42 and 36,202,069,486.20

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Solution

The fourth proportional to 142,320,909,868.92, 213,480,440,094.42 and 36,202,069,486.20 is: 54,302,869,011.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,320,909,868.92 : 213,480,440,094.42 = 36,202,069,486.20 : x
  2. Step 2: Convert to fraction form
    142,320,909,868.92/213,480,440,094.42 = 36,202,069,486.20/x
  3. Step 3: Cross multiply
    142,320,909,868.92x = 213,480,440,094.42 × 36,202,069,486.20
  4. Step 4: Simplify right side
    142,320,909,868.92x = 7,728,433,726,242,748,891,136
  5. Step 5: Solve for x
    x = 7,728,433,726,242,748,891,136/142,320,909,868.92
  6. Step 6: Final answer
    x = 54,302,869,011.73

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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.