Home / 141,804,021.60-212,706,032.40-69,991,106.40

Finding the Fourth Proportional to 141,804,021.60, 212,706,032.40 and 69,991,106.40

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Solution

The fourth proportional to 141,804,021.60, 212,706,032.40 and 69,991,106.40 is: 104,986,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,804,021.60 : 212,706,032.40 = 69,991,106.40 : x
  2. Step 2: Convert to fraction form
    141,804,021.60/212,706,032.40 = 69,991,106.40/x
  3. Step 3: Cross multiply
    141,804,021.60x = 212,706,032.40 × 69,991,106.40
  4. Step 4: Simplify right side
    141,804,021.60x = 14,887,530,545,630,250
  5. Step 5: Solve for x
    x = 14,887,530,545,630,250/141,804,021.60
  6. Step 6: Final answer
    x = 104,986,659.60

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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.