Home / 148,988,683.77-205,602,751.91-82,006,209.81

Finding the Fourth Proportional to 148,988,683.77, 205,602,751.91 and 82,006,209.81

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Solution

The fourth proportional to 148,988,683.77, 205,602,751.91 and 82,006,209.81 is: 113,167,671.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,988,683.77 : 205,602,751.91 = 82,006,209.81 : x
  2. Step 2: Convert to fraction form
    148,988,683.77/205,602,751.91 = 82,006,209.81/x
  3. Step 3: Cross multiply
    148,988,683.77x = 205,602,751.91 × 82,006,209.81
  4. Step 4: Simplify right side
    148,988,683.77x = 16,860,702,410,234,808
  5. Step 5: Solve for x
    x = 16,860,702,410,234,808/148,988,683.77
  6. Step 6: Final answer
    x = 113,167,671.42

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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.