Home / 55,365,989.90-83,024,101.65-21,276,005.90

Finding the Fourth Proportional to 55,365,989.90, 83,024,101.65 and 21,276,005.90

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Solution

The fourth proportional to 55,365,989.90, 83,024,101.65 and 21,276,005.90 is: 31,904,446.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,365,989.90 : 83,024,101.65 = 21,276,005.90 : x
  2. Step 2: Convert to fraction form
    55,365,989.90/83,024,101.65 = 21,276,005.90/x
  3. Step 3: Cross multiply
    55,365,989.90x = 83,024,101.65 × 21,276,005.90
  4. Step 4: Simplify right side
    55,365,989.90x = 1,766,421,276,547,599.75
  5. Step 5: Solve for x
    x = 1,766,421,276,547,599.75/55,365,989.90
  6. Step 6: Final answer
    x = 31,904,446.75

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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.