Home / 99,640,901.60-149,461,352.40-45,893,189.60

Finding the Fourth Proportional to 99,640,901.60, 149,461,352.40 and 45,893,189.60

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Solution

The fourth proportional to 99,640,901.60, 149,461,352.40 and 45,893,189.60 is: 68,839,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,640,901.60 : 149,461,352.40 = 45,893,189.60 : x
  2. Step 2: Convert to fraction form
    99,640,901.60/149,461,352.40 = 45,893,189.60/x
  3. Step 3: Cross multiply
    99,640,901.60x = 149,461,352.40 × 45,893,189.60
  4. Step 4: Simplify right side
    99,640,901.60x = 6,859,258,183,565,616
  5. Step 5: Solve for x
    x = 6,859,258,183,565,616/99,640,901.60
  6. Step 6: Final answer
    x = 68,839,784.40

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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.