Home / 69,828,512.50-96,366,336.96-38,888,681.68

Finding the Fourth Proportional to 69,828,512.50, 96,366,336.96 and 38,888,681.68

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Solution

The fourth proportional to 69,828,512.50, 96,366,336.96 and 38,888,681.68 is: 53,668,045.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,828,512.50 : 96,366,336.96 = 38,888,681.68 : x
  2. Step 2: Convert to fraction form
    69,828,512.50/96,366,336.96 = 38,888,681.68/x
  3. Step 3: Cross multiply
    69,828,512.50x = 96,366,336.96 × 38,888,681.68
  4. Step 4: Simplify right side
    69,828,512.50x = 3,747,559,802,705,058.50
  5. Step 5: Solve for x
    x = 3,747,559,802,705,058.50/69,828,512.50
  6. Step 6: Final answer
    x = 53,668,045.74

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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.