Home / 64,577,076.50-89,113,798.68-38,123,951.34

Finding the Fourth Proportional to 64,577,076.50, 89,113,798.68 and 38,123,951.34

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Solution

The fourth proportional to 64,577,076.50, 89,113,798.68 and 38,123,951.34 is: 52,609,537.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,577,076.50 : 89,113,798.68 = 38,123,951.34 : x
  2. Step 2: Convert to fraction form
    64,577,076.50/89,113,798.68 = 38,123,951.34/x
  3. Step 3: Cross multiply
    64,577,076.50x = 89,113,798.68 × 38,123,951.34
  4. Step 4: Simplify right side
    64,577,076.50x = 3,397,370,124,057,997
  5. Step 5: Solve for x
    x = 3,397,370,124,057,997/64,577,076.50
  6. Step 6: Final answer
    x = 52,609,537.45

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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.