Home / 85,281,171.64-117,688,016.82-46,122,948.40

Finding the Fourth Proportional to 85,281,171.64, 117,688,016.82 and 46,122,948.40

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Solution

The fourth proportional to 85,281,171.64, 117,688,016.82 and 46,122,948.40 is: 63,649,668.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,281,171.64 : 117,688,016.82 = 46,122,948.40 : x
  2. Step 2: Convert to fraction form
    85,281,171.64/117,688,016.82 = 46,122,948.40/x
  3. Step 3: Cross multiply
    85,281,171.64x = 117,688,016.82 × 46,122,948.40
  4. Step 4: Simplify right side
    85,281,171.64x = 5,428,118,327,087,192
  5. Step 5: Solve for x
    x = 5,428,118,327,087,192/85,281,171.64
  6. Step 6: Final answer
    x = 63,649,668.77

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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.