Home / 65,112,894.80-89,852,495.01-38,652,379.68

Finding the Fourth Proportional to 65,112,894.80, 89,852,495.01 and 38,652,379.68

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Solution

The fourth proportional to 65,112,894.80, 89,852,495.01 and 38,652,379.68 is: 53,338,325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,112,894.80 : 89,852,495.01 = 38,652,379.68 : x
  2. Step 2: Convert to fraction form
    65,112,894.80/89,852,495.01 = 38,652,379.68/x
  3. Step 3: Cross multiply
    65,112,894.80x = 89,852,495.01 × 38,652,379.68
  4. Step 4: Simplify right side
    65,112,894.80x = 3,473,012,751,809,956.50
  5. Step 5: Solve for x
    x = 3,473,012,751,809,956.50/65,112,894.80
  6. Step 6: Final answer
    x = 53,338,325.11

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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.