Home / 141,804,023.60-212,706,035.40-69,991,108.40

Finding the Fourth Proportional to 141,804,023.60, 212,706,035.40 and 69,991,108.40

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Solution

The fourth proportional to 141,804,023.60, 212,706,035.40 and 69,991,108.40 is: 104,986,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,804,023.60 : 212,706,035.40 = 69,991,108.40 : x
  2. Step 2: Convert to fraction form
    141,804,023.60/212,706,035.40 = 69,991,108.40/x
  3. Step 3: Cross multiply
    141,804,023.60x = 212,706,035.40 × 69,991,108.40
  4. Step 4: Simplify right side
    141,804,023.60x = 14,887,531,181,015,640
  5. Step 5: Solve for x
    x = 14,887,531,181,015,640/141,804,023.60
  6. Step 6: Final answer
    x = 104,986,662.60

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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.