Home / 61,644,428.06-85,037,058.51-38,115,443.45

Finding the Fourth Proportional to 61,644,428.06, 85,037,058.51 and 38,115,443.45

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Solution

The fourth proportional to 61,644,428.06, 85,037,058.51 and 38,115,443.45 is: 52,579,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,644,428.06 : 85,037,058.51 = 38,115,443.45 : x
  2. Step 2: Convert to fraction form
    61,644,428.06/85,037,058.51 = 38,115,443.45/x
  3. Step 3: Cross multiply
    61,644,428.06x = 85,037,058.51 × 38,115,443.45
  4. Step 4: Simplify right side
    61,644,428.06x = 3,241,225,194,367,061
  5. Step 5: Solve for x
    x = 3,241,225,194,367,061/61,644,428.06
  6. Step 6: Final answer
    x = 52,579,370.05

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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.