Home / 148,988,688.26-205,602,758.08-82,006,214.28

Finding the Fourth Proportional to 148,988,688.26, 205,602,758.08 and 82,006,214.28

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Solution

The fourth proportional to 148,988,688.26, 205,602,758.08 and 82,006,214.28 is: 113,167,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,988,688.26 : 205,602,758.08 = 82,006,214.28 : x
  2. Step 2: Convert to fraction form
    148,988,688.26/205,602,758.08 = 82,006,214.28/x
  3. Step 3: Cross multiply
    148,988,688.26x = 205,602,758.08 × 82,006,214.28
  4. Step 4: Simplify right side
    148,988,688.26x = 16,860,703,835,667,482
  5. Step 5: Solve for x
    x = 16,860,703,835,667,482/148,988,688.26
  6. Step 6: Final answer
    x = 113,167,677.58

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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.