Home / 307,745,926.79-424,688,768.78-166,617,108.63

Finding the Fourth Proportional to 307,745,926.79, 424,688,768.78 and 166,617,108.63

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Solution

The fourth proportional to 307,745,926.79, 424,688,768.78 and 166,617,108.63 is: 229,931,279.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,745,926.79 : 424,688,768.78 = 166,617,108.63 : x
  2. Step 2: Convert to fraction form
    307,745,926.79/424,688,768.78 = 166,617,108.63/x
  3. Step 3: Cross multiply
    307,745,926.79x = 424,688,768.78 × 166,617,108.63
  4. Step 4: Simplify right side
    307,745,926.79x = 70,760,414,720,925,120
  5. Step 5: Solve for x
    x = 70,760,414,720,925,120/307,745,926.79
  6. Step 6: Final answer
    x = 229,931,279.55

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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.