Home / 131,605,262,251.89-181,615,261,907.58-75,281,019,307.89

Finding the Fourth Proportional to 131,605,262,251.89, 181,615,261,907.58 and 75,281,019,307.89

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Solution

The fourth proportional to 131,605,262,251.89, 181,615,261,907.58 and 75,281,019,307.89 is: 103,887,806,644.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,605,262,251.89 : 181,615,261,907.58 = 75,281,019,307.89 : x
  2. Step 2: Convert to fraction form
    131,605,262,251.89/181,615,261,907.58 = 75,281,019,307.89/x
  3. Step 3: Cross multiply
    131,605,262,251.89x = 181,615,261,907.58 × 75,281,019,307.89
  4. Step 4: Simplify right side
    131,605,262,251.89x = 13,672,182,038,272,027,918,336
  5. Step 5: Solve for x
    x = 13,672,182,038,272,027,918,336/131,605,262,251.89
  6. Step 6: Final answer
    x = 103,887,806,644.87

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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.