Home / 70,308,862.37-97,027,006.12-38,947,391.72

Finding the Fourth Proportional to 70,308,862.37, 97,027,006.12 and 38,947,391.72

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Solution

The fourth proportional to 70,308,862.37, 97,027,006.12 and 38,947,391.72 is: 53,747,830.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,308,862.37 : 97,027,006.12 = 38,947,391.72 : x
  2. Step 2: Convert to fraction form
    70,308,862.37/97,027,006.12 = 38,947,391.72/x
  3. Step 3: Cross multiply
    70,308,862.37x = 97,027,006.12 × 38,947,391.72
  4. Step 4: Simplify right side
    70,308,862.37x = 3,778,948,814,774,477.50
  5. Step 5: Solve for x
    x = 3,778,948,814,774,477.50/70,308,862.37
  6. Step 6: Final answer
    x = 53,747,830.46

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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.