Home / 152,733,233.87-210,816,276.75-99,817,901.76

Finding the Fourth Proportional to 152,733,233.87, 210,816,276.75 and 99,817,901.76

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Solution

The fourth proportional to 152,733,233.87, 210,816,276.75 and 99,817,901.76 is: 137,777,730.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,733,233.87 : 210,816,276.75 = 99,817,901.76 : x
  2. Step 2: Convert to fraction form
    152,733,233.87/210,816,276.75 = 99,817,901.76/x
  3. Step 3: Cross multiply
    152,733,233.87x = 210,816,276.75 × 99,817,901.76
  4. Step 4: Simplify right side
    152,733,233.87x = 21,043,238,402,040,472
  5. Step 5: Solve for x
    x = 21,043,238,402,040,472/152,733,233.87
  6. Step 6: Final answer
    x = 137,777,730.94

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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.