Home / 131,073,548.68-180,881,123.70-72,335,788.12

Finding the Fourth Proportional to 131,073,548.68, 180,881,123.70 and 72,335,788.12

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Solution

The fourth proportional to 131,073,548.68, 180,881,123.70 and 72,335,788.12 is: 99,823,181.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,073,548.68 : 180,881,123.70 = 72,335,788.12 : x
  2. Step 2: Convert to fraction form
    131,073,548.68/180,881,123.70 = 72,335,788.12/x
  3. Step 3: Cross multiply
    131,073,548.68x = 180,881,123.70 × 72,335,788.12
  4. Step 4: Simplify right side
    131,073,548.68x = 13,084,178,638,870,710
  5. Step 5: Solve for x
    x = 13,084,178,638,870,710/131,073,548.68
  6. Step 6: Final answer
    x = 99,823,181.49

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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.