Home / 61,545,147.60-92,326,015.80-21,168,008.40

Finding the Fourth Proportional to 61,545,147.60, 92,326,015.80 and 21,168,008.40

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Solution

The fourth proportional to 61,545,147.60, 92,326,015.80 and 21,168,008.40 is: 31,754,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,545,147.60 : 92,326,015.80 = 21,168,008.40 : x
  2. Step 2: Convert to fraction form
    61,545,147.60/92,326,015.80 = 21,168,008.40/x
  3. Step 3: Cross multiply
    61,545,147.60x = 92,326,015.80 × 21,168,008.40
  4. Step 4: Simplify right side
    61,545,147.60x = 1,954,357,877,992,932.50
  5. Step 5: Solve for x
    x = 1,954,357,877,992,932.50/61,545,147.60
  6. Step 6: Final answer
    x = 31,754,865.40

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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.