Home / 154,912,050.71-213,782,463.54-84,351,529.16

Finding the Fourth Proportional to 154,912,050.71, 213,782,463.54 and 84,351,529.16

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Solution

The fourth proportional to 154,912,050.71, 213,782,463.54 and 84,351,529.16 is: 116,407,197.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,912,050.71 : 213,782,463.54 = 84,351,529.16 : x
  2. Step 2: Convert to fraction form
    154,912,050.71/213,782,463.54 = 84,351,529.16/x
  3. Step 3: Cross multiply
    154,912,050.71x = 213,782,463.54 × 84,351,529.16
  4. Step 4: Simplify right side
    154,912,050.71x = 18,032,877,705,700,276
  5. Step 5: Solve for x
    x = 18,032,877,705,700,276/154,912,050.71
  6. Step 6: Final answer
    x = 116,407,197.66

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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.