Home / 61,959,528.90-92,948,150.70-21,020,857.20

Finding the Fourth Proportional to 61,959,528.90, 92,948,150.70 and 21,020,857.20

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Solution

The fourth proportional to 61,959,528.90, 92,948,150.70 and 21,020,857.20 is: 31,534,290.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,959,528.90 : 92,948,150.70 = 21,020,857.20 : x
  2. Step 2: Convert to fraction form
    61,959,528.90/92,948,150.70 = 21,020,857.20/x
  3. Step 3: Cross multiply
    61,959,528.90x = 92,948,150.70 × 21,020,857.20
  4. Step 4: Simplify right side
    61,959,528.90x = 1,953,849,802,868,780
  5. Step 5: Solve for x
    x = 1,953,849,802,868,780/61,959,528.90
  6. Step 6: Final answer
    x = 31,534,290.81

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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.