Home / 141,778,668.15-212,546,700.35-54,402,888.31

Finding the Fourth Proportional to 141,778,668.15, 212,546,700.35 and 54,402,888.31

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Solution

The fourth proportional to 141,778,668.15, 212,546,700.35 and 54,402,888.31 is: 81,557,786.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,778,668.15 : 212,546,700.35 = 54,402,888.31 : x
  2. Step 2: Convert to fraction form
    141,778,668.15/212,546,700.35 = 54,402,888.31/x
  3. Step 3: Cross multiply
    141,778,668.15x = 212,546,700.35 × 54,402,888.31
  4. Step 4: Simplify right side
    141,778,668.15x = 11,563,154,399,800,088
  5. Step 5: Solve for x
    x = 11,563,154,399,800,088/141,778,668.15
  6. Step 6: Final answer
    x = 81,557,786.87

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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.