Home / 258,186,614.37-387,355,904.91-83,306,367.66

Finding the Fourth Proportional to 258,186,614.37, 387,355,904.91 and 83,306,367.66

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Solution

The fourth proportional to 258,186,614.37, 387,355,904.91 and 83,306,367.66 is: 124,984,068.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,186,614.37 : 387,355,904.91 = 83,306,367.66 : x
  2. Step 2: Convert to fraction form
    258,186,614.37/387,355,904.91 = 83,306,367.66/x
  3. Step 3: Cross multiply
    258,186,614.37x = 387,355,904.91 × 83,306,367.66
  4. Step 4: Simplify right side
    258,186,614.37x = 32,269,213,429,704,460
  5. Step 5: Solve for x
    x = 32,269,213,429,704,460/258,186,614.37
  6. Step 6: Final answer
    x = 124,984,068.24

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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.