Home / 30,291,307.83-42,084,211.68-29,928,101.10

Finding the Fourth Proportional to 30,291,307.83, 42,084,211.68 and 29,928,101.10

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Solution

The fourth proportional to 30,291,307.83, 42,084,211.68 and 29,928,101.10 is: 41,579,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,291,307.83 : 42,084,211.68 = 29,928,101.10 : x
  2. Step 2: Convert to fraction form
    30,291,307.83/42,084,211.68 = 29,928,101.10/x
  3. Step 3: Cross multiply
    30,291,307.83x = 42,084,211.68 × 29,928,101.10
  4. Step 4: Simplify right side
    30,291,307.83x = 1,259,500,541,872,841
  5. Step 5: Solve for x
    x = 1,259,500,541,872,841/30,291,307.83
  6. Step 6: Final answer
    x = 41,579,602.60

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.