Home / 85,301,821.04-117,594,078.36-60,813,019.76

Finding the Fourth Proportional to 85,301,821.04, 117,594,078.36 and 60,813,019.76

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Solution

The fourth proportional to 85,301,821.04, 117,594,078.36 and 60,813,019.76 is: 83,834,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,301,821.04 : 117,594,078.36 = 60,813,019.76 : x
  2. Step 2: Convert to fraction form
    85,301,821.04/117,594,078.36 = 60,813,019.76/x
  3. Step 3: Cross multiply
    85,301,821.04x = 117,594,078.36 × 60,813,019.76
  4. Step 4: Simplify right side
    85,301,821.04x = 7,151,251,010,965,668
  5. Step 5: Solve for x
    x = 7,151,251,010,965,668/85,301,821.04
  6. Step 6: Final answer
    x = 83,834,681.65

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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.