Home / 70,308,862.34-97,027,006.07-38,947,391.69

Finding the Fourth Proportional to 70,308,862.34, 97,027,006.07 and 38,947,391.69

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Solution

The fourth proportional to 70,308,862.34, 97,027,006.07 and 38,947,391.69 is: 53,747,830.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,308,862.34 : 97,027,006.07 = 38,947,391.69 : x
  2. Step 2: Convert to fraction form
    70,308,862.34/97,027,006.07 = 38,947,391.69/x
  3. Step 3: Cross multiply
    70,308,862.34x = 97,027,006.07 × 38,947,391.69
  4. Step 4: Simplify right side
    70,308,862.34x = 3,778,948,809,528,531.50
  5. Step 5: Solve for x
    x = 3,778,948,809,528,531.50/70,308,862.34
  6. Step 6: Final answer
    x = 53,747,830.42

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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.