Home / 134,705,580.09-185,893,716.65-72,825,902.25

Finding the Fourth Proportional to 134,705,580.09, 185,893,716.65 and 72,825,902.25

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Solution

The fourth proportional to 134,705,580.09, 185,893,716.65 and 72,825,902.25 is: 100,499,753.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,705,580.09 : 185,893,716.65 = 72,825,902.25 : x
  2. Step 2: Convert to fraction form
    134,705,580.09/185,893,716.65 = 72,825,902.25/x
  3. Step 3: Cross multiply
    134,705,580.09x = 185,893,716.65 × 72,825,902.25
  4. Step 4: Simplify right side
    134,705,580.09x = 13,537,877,637,642,098
  5. Step 5: Solve for x
    x = 13,537,877,637,642,098/134,705,580.09
  6. Step 6: Final answer
    x = 100,499,753.82

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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.