Home / 152,905,868.90-211,003,292.27-89,332,100.63

Finding the Fourth Proportional to 152,905,868.90, 211,003,292.27 and 89,332,100.63

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Solution

The fourth proportional to 152,905,868.90, 211,003,292.27 and 89,332,100.63 is: 123,274,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,905,868.90 : 211,003,292.27 = 89,332,100.63 : x
  2. Step 2: Convert to fraction form
    152,905,868.90/211,003,292.27 = 89,332,100.63/x
  3. Step 3: Cross multiply
    152,905,868.90x = 211,003,292.27 × 89,332,100.63
  4. Step 4: Simplify right side
    152,905,868.90x = 18,849,367,338,324,940
  5. Step 5: Solve for x
    x = 18,849,367,338,324,940/152,905,868.90
  6. Step 6: Final answer
    x = 123,274,322.13

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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.