Home / 57,496,443.59-79,344,681.49-31,390,960.65

Finding the Fourth Proportional to 57,496,443.59, 79,344,681.49 and 31,390,960.65

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Solution

The fourth proportional to 57,496,443.59, 79,344,681.49 and 31,390,960.65 is: 43,319,301.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,496,443.59 : 79,344,681.49 = 31,390,960.65 : x
  2. Step 2: Convert to fraction form
    57,496,443.59/79,344,681.49 = 31,390,960.65/x
  3. Step 3: Cross multiply
    57,496,443.59x = 79,344,681.49 × 31,390,960.65
  4. Step 4: Simplify right side
    57,496,443.59x = 2,490,705,774,439,373
  5. Step 5: Solve for x
    x = 2,490,705,774,439,373/57,496,443.59
  6. Step 6: Final answer
    x = 43,319,301.49

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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.