Home / 106,768,887.40-160,153,331.10-66,458,103.40

Finding the Fourth Proportional to 106,768,887.40, 160,153,331.10 and 66,458,103.40

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Solution

The fourth proportional to 106,768,887.40, 160,153,331.10 and 66,458,103.40 is: 99,687,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,768,887.40 : 160,153,331.10 = 66,458,103.40 : x
  2. Step 2: Convert to fraction form
    106,768,887.40/160,153,331.10 = 66,458,103.40/x
  3. Step 3: Cross multiply
    106,768,887.40x = 160,153,331.10 × 66,458,103.40
  4. Step 4: Simplify right side
    106,768,887.40x = 10,643,486,638,098,236
  5. Step 5: Solve for x
    x = 10,643,486,638,098,236/106,768,887.40
  6. Step 6: Final answer
    x = 99,687,155.10

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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.