Home / 200,596,933.80-300,895,400.70-85,805,677.80

Finding the Fourth Proportional to 200,596,933.80, 300,895,400.70 and 85,805,677.80

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Solution

The fourth proportional to 200,596,933.80, 300,895,400.70 and 85,805,677.80 is: 128,708,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,596,933.80 : 300,895,400.70 = 85,805,677.80 : x
  2. Step 2: Convert to fraction form
    200,596,933.80/300,895,400.70 = 85,805,677.80/x
  3. Step 3: Cross multiply
    200,596,933.80x = 300,895,400.70 × 85,805,677.80
  4. Step 4: Simplify right side
    200,596,933.80x = 25,818,533,803,966,092
  5. Step 5: Solve for x
    x = 25,818,533,803,966,092/200,596,933.80
  6. Step 6: Final answer
    x = 128,708,516.70

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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.