Home / 141,921,838.86-212,884,464.14-55,700,851.02

Finding the Fourth Proportional to 141,921,838.86, 212,884,464.14 and 55,700,851.02

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Solution

The fourth proportional to 141,921,838.86, 212,884,464.14 and 55,700,851.02 is: 83,551,946.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,921,838.86 : 212,884,464.14 = 55,700,851.02 : x
  2. Step 2: Convert to fraction form
    141,921,838.86/212,884,464.14 = 55,700,851.02/x
  3. Step 3: Cross multiply
    141,921,838.86x = 212,884,464.14 × 55,700,851.02
  4. Step 4: Simplify right side
    141,921,838.86x = 11,857,845,821,534,672
  5. Step 5: Solve for x
    x = 11,857,845,821,534,672/141,921,838.86
  6. Step 6: Final answer
    x = 83,551,946.03

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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.