Home / 90,888,992.92-136,535,270.19-56,370,903.46

Finding the Fourth Proportional to 90,888,992.92, 136,535,270.19 and 56,370,903.46

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Solution

The fourth proportional to 90,888,992.92, 136,535,270.19 and 56,370,903.46 is: 84,681,503.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,888,992.92 : 136,535,270.19 = 56,370,903.46 : x
  2. Step 2: Convert to fraction form
    90,888,992.92/136,535,270.19 = 56,370,903.46/x
  3. Step 3: Cross multiply
    90,888,992.92x = 136,535,270.19 × 56,370,903.46
  4. Step 4: Simplify right side
    90,888,992.92x = 7,696,616,534,765,506
  5. Step 5: Solve for x
    x = 7,696,616,534,765,506/90,888,992.92
  6. Step 6: Final answer
    x = 84,681,503.09

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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.