Home / 70,115,408.79-105,178,542.09-23,429,055.96

Finding the Fourth Proportional to 70,115,408.79, 105,178,542.09 and 23,429,055.96

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Solution

The fourth proportional to 70,115,408.79, 105,178,542.09 and 23,429,055.96 is: 35,145,398.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,115,408.79 : 105,178,542.09 = 23,429,055.96 : x
  2. Step 2: Convert to fraction form
    70,115,408.79/105,178,542.09 = 23,429,055.96/x
  3. Step 3: Cross multiply
    70,115,408.79x = 105,178,542.09 × 23,429,055.96
  4. Step 4: Simplify right side
    70,115,408.79x = 2,464,233,948,417,825.50
  5. Step 5: Solve for x
    x = 2,464,233,948,417,825.50/70,115,408.79
  6. Step 6: Final answer
    x = 35,145,398.01

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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.