Home / 70,102,731.63-105,060,101.61-54,559,327.95

Finding the Fourth Proportional to 70,102,731.63, 105,060,101.61 and 54,559,327.95

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Solution

The fourth proportional to 70,102,731.63, 105,060,101.61 and 54,559,327.95 is: 81,765,837.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102,731.63 : 105,060,101.61 = 54,559,327.95 : x
  2. Step 2: Convert to fraction form
    70,102,731.63/105,060,101.61 = 54,559,327.95/x
  3. Step 3: Cross multiply
    70,102,731.63x = 105,060,101.61 × 54,559,327.95
  4. Step 4: Simplify right side
    70,102,731.63x = 5,732,008,538,200,313
  5. Step 5: Solve for x
    x = 5,732,008,538,200,313/70,102,731.63
  6. Step 6: Final answer
    x = 81,765,837.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.