Home / 131,605,262,250.47-181,615,261,905.64-75,281,019,306.47

Finding the Fourth Proportional to 131,605,262,250.47, 181,615,261,905.64 and 75,281,019,306.47

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Solution

The fourth proportional to 131,605,262,250.47, 181,615,261,905.64 and 75,281,019,306.47 is: 103,887,806,642.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,605,262,250.47 : 181,615,261,905.64 = 75,281,019,306.47 : x
  2. Step 2: Convert to fraction form
    131,605,262,250.47/181,615,261,905.64 = 75,281,019,306.47/x
  3. Step 3: Cross multiply
    131,605,262,250.47x = 181,615,261,905.64 × 75,281,019,306.47
  4. Step 4: Simplify right side
    131,605,262,250.47x = 13,672,182,037,867,728,470,016
  5. Step 5: Solve for x
    x = 13,672,182,037,867,728,470,016/131,605,262,250.47
  6. Step 6: Final answer
    x = 103,887,806,642.92

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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.