Home / 65,362,128.90-98,043,193.35-43,443,140.10

Finding the Fourth Proportional to 65,362,128.90, 98,043,193.35 and 43,443,140.10

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Solution

The fourth proportional to 65,362,128.90, 98,043,193.35 and 43,443,140.10 is: 65,164,710.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,362,128.90 : 98,043,193.35 = 43,443,140.10 : x
  2. Step 2: Convert to fraction form
    65,362,128.90/98,043,193.35 = 43,443,140.10/x
  3. Step 3: Cross multiply
    65,362,128.90x = 98,043,193.35 × 43,443,140.10
  4. Step 4: Simplify right side
    65,362,128.90x = 4,259,304,184,555,438
  5. Step 5: Solve for x
    x = 4,259,304,184,555,438/65,362,128.90
  6. Step 6: Final answer
    x = 65,164,710.15

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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.