Home / 154,530,430.84-213,253,691.88-84,915,829.72

Finding the Fourth Proportional to 154,530,430.84, 213,253,691.88 and 84,915,829.72

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Solution

The fourth proportional to 154,530,430.84, 213,253,691.88 and 84,915,829.72 is: 117,184,777.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,530,430.84 : 213,253,691.88 = 84,915,829.72 : x
  2. Step 2: Convert to fraction form
    154,530,430.84/213,253,691.88 = 84,915,829.72/x
  3. Step 3: Cross multiply
    154,530,430.84x = 213,253,691.88 × 84,915,829.72
  4. Step 4: Simplify right side
    154,530,430.84x = 18,108,614,186,843,428
  5. Step 5: Solve for x
    x = 18,108,614,186,843,428/154,530,430.84
  6. Step 6: Final answer
    x = 117,184,777.71

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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.