Home / 141,941,081.60-212,934,980.64-43,570,318.40

Finding the Fourth Proportional to 141,941,081.60, 212,934,980.64 and 43,570,318.40

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Solution

The fourth proportional to 141,941,081.60, 212,934,980.64 and 43,570,318.40 is: 65,362,647.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,941,081.60 : 212,934,980.64 = 43,570,318.40 : x
  2. Step 2: Convert to fraction form
    141,941,081.60/212,934,980.64 = 43,570,318.40/x
  3. Step 3: Cross multiply
    141,941,081.60x = 212,934,980.64 × 43,570,318.40
  4. Step 4: Simplify right side
    141,941,081.60x = 9,277,644,904,982,634
  5. Step 5: Solve for x
    x = 9,277,644,904,982,634/141,941,081.60
  6. Step 6: Final answer
    x = 65,362,647.66

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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.