Home / 64,950,715.32-89,631,979.68-38,845,228.96

Finding the Fourth Proportional to 64,950,715.32, 89,631,979.68 and 38,845,228.96

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Solution

The fourth proportional to 64,950,715.32, 89,631,979.68 and 38,845,228.96 is: 53,606,411.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,950,715.32 : 89,631,979.68 = 38,845,228.96 : x
  2. Step 2: Convert to fraction form
    64,950,715.32/89,631,979.68 = 38,845,228.96/x
  3. Step 3: Cross multiply
    64,950,715.32x = 89,631,979.68 × 38,845,228.96
  4. Step 4: Simplify right side
    64,950,715.32x = 3,481,774,773,065,377
  5. Step 5: Solve for x
    x = 3,481,774,773,065,377/64,950,715.32
  6. Step 6: Final answer
    x = 53,606,411.51

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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.