Home / 131,605,262,247.38-181,615,261,901.37-75,281,019,303.38

Finding the Fourth Proportional to 131,605,262,247.38, 181,615,261,901.37 and 75,281,019,303.38

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Solution

The fourth proportional to 131,605,262,247.38, 181,615,261,901.37 and 75,281,019,303.38 is: 103,887,806,638.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,605,262,247.38 : 181,615,261,901.37 = 75,281,019,303.38 : x
  2. Step 2: Convert to fraction form
    131,605,262,247.38/181,615,261,901.37 = 75,281,019,303.38/x
  3. Step 3: Cross multiply
    131,605,262,247.38x = 181,615,261,901.37 × 75,281,019,303.38
  4. Step 4: Simplify right side
    131,605,262,247.38x = 13,672,182,036,984,540,168,192
  5. Step 5: Solve for x
    x = 13,672,182,036,984,540,168,192/131,605,262,247.38
  6. Step 6: Final answer
    x = 103,887,806,638.65

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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.