Home / 152,733,232.87-210,816,275.37-99,817,900.76

Finding the Fourth Proportional to 152,733,232.87, 210,816,275.37 and 99,817,900.76

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Solution

The fourth proportional to 152,733,232.87, 210,816,275.37 and 99,817,900.76 is: 137,777,729.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,733,232.87 : 210,816,275.37 = 99,817,900.76 : x
  2. Step 2: Convert to fraction form
    152,733,232.87/210,816,275.37 = 99,817,900.76/x
  3. Step 3: Cross multiply
    152,733,232.87x = 210,816,275.37 × 99,817,900.76
  4. Step 4: Simplify right side
    152,733,232.87x = 21,043,238,053,628,216
  5. Step 5: Solve for x
    x = 21,043,238,053,628,216/152,733,232.87
  6. Step 6: Final answer
    x = 137,777,729.57

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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.