Home / 285,877,073.56-428,606,552.58-91,677,947.08

Finding the Fourth Proportional to 285,877,073.56, 428,606,552.58 and 91,677,947.08

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Solution

The fourth proportional to 285,877,073.56, 428,606,552.58 and 91,677,947.08 is: 137,449,877.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,877,073.56 : 428,606,552.58 = 91,677,947.08 : x
  2. Step 2: Convert to fraction form
    285,877,073.56/428,606,552.58 = 91,677,947.08/x
  3. Step 3: Cross multiply
    285,877,073.56x = 428,606,552.58 × 91,677,947.08
  4. Step 4: Simplify right side
    285,877,073.56x = 39,293,768,845,570,472
  5. Step 5: Solve for x
    x = 39,293,768,845,570,472/285,877,073.56
  6. Step 6: Final answer
    x = 137,449,877.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.