Home / 64,950,702.30-89,631,961.71-38,845,215.93

Finding the Fourth Proportional to 64,950,702.30, 89,631,961.71 and 38,845,215.93

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Solution

The fourth proportional to 64,950,702.30, 89,631,961.71 and 38,845,215.93 is: 53,606,393.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,950,702.30 : 89,631,961.71 = 38,845,215.93 : x
  2. Step 2: Convert to fraction form
    64,950,702.30/89,631,961.71 = 38,845,215.93/x
  3. Step 3: Cross multiply
    64,950,702.30x = 89,631,961.71 × 38,845,215.93
  4. Step 4: Simplify right side
    64,950,702.30x = 3,481,772,906,854,442
  5. Step 5: Solve for x
    x = 3,481,772,906,854,442/64,950,702.30
  6. Step 6: Final answer
    x = 53,606,393.52

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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.