Home / 98,495,999.60-147,743,999.40-66,247,372.40

Finding the Fourth Proportional to 98,495,999.60, 147,743,999.40 and 66,247,372.40

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Solution

The fourth proportional to 98,495,999.60, 147,743,999.40 and 66,247,372.40 is: 99,371,058.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,495,999.60 : 147,743,999.40 = 66,247,372.40 : x
  2. Step 2: Convert to fraction form
    98,495,999.60/147,743,999.40 = 66,247,372.40/x
  3. Step 3: Cross multiply
    98,495,999.60x = 147,743,999.40 × 66,247,372.40
  4. Step 4: Simplify right side
    98,495,999.60x = 9,787,651,748,117,176
  5. Step 5: Solve for x
    x = 9,787,651,748,117,176/98,495,999.60
  6. Step 6: Final answer
    x = 99,371,058.60

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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.