Home / 103,320,623,472.45-142,582,459,233.76-55,797,043,488.45

Finding the Fourth Proportional to 103,320,623,472.45, 142,582,459,233.76 and 55,797,043,488.45

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Solution

The fourth proportional to 103,320,623,472.45, 142,582,459,233.76 and 55,797,043,488.45 is: 76,999,919,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,320,623,472.45 : 142,582,459,233.76 = 55,797,043,488.45 : x
  2. Step 2: Convert to fraction form
    103,320,623,472.45/142,582,459,233.76 = 55,797,043,488.45/x
  3. Step 3: Cross multiply
    103,320,623,472.45x = 142,582,459,233.76 × 55,797,043,488.45
  4. Step 4: Simplify right side
    103,320,623,472.45x = 7,955,679,678,556,255,813,632
  5. Step 5: Solve for x
    x = 7,955,679,678,556,255,813,632/103,320,623,472.45
  6. Step 6: Final answer
    x = 76,999,919,388.58

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1.5x scale

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.