Home / 70,308,864.37-97,027,008.88-38,947,393.72

Finding the Fourth Proportional to 70,308,864.37, 97,027,008.88 and 38,947,393.72

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Solution

The fourth proportional to 70,308,864.37, 97,027,008.88 and 38,947,393.72 is: 53,747,833.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,308,864.37 : 97,027,008.88 = 38,947,393.72 : x
  2. Step 2: Convert to fraction form
    70,308,864.37/97,027,008.88 = 38,947,393.72/x
  3. Step 3: Cross multiply
    70,308,864.37x = 97,027,008.88 × 38,947,393.72
  4. Step 4: Simplify right side
    70,308,864.37x = 3,778,949,116,323,296
  5. Step 5: Solve for x
    x = 3,778,949,116,323,296/70,308,864.37
  6. Step 6: Final answer
    x = 53,747,833.22

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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.