Home / 141,778,769-212,546,851.32-54,402,989

Finding the Fourth Proportional to 141,778,769, 212,546,851.32 and 54,402,989

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Solution

The fourth proportional to 141,778,769, 212,546,851.32 and 54,402,989 is: 81,557,937.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,778,769 : 212,546,851.32 = 54,402,989 : x
  2. Step 2: Convert to fraction form
    141,778,769/212,546,851.32 = 54,402,989/x
  3. Step 3: Cross multiply
    141,778,769x = 212,546,851.32 × 54,402,989
  4. Step 4: Simplify right side
    141,778,769x = 11,563,184,014,346,596
  5. Step 5: Solve for x
    x = 11,563,184,014,346,596/141,778,769
  6. Step 6: Final answer
    x = 81,557,937.74

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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.