Home / 42,773,839.90-64,168,746.04-19,432,220.81

Finding the Fourth Proportional to 42,773,839.90, 64,168,746.04 and 19,432,220.81

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Solution

The fourth proportional to 42,773,839.90, 64,168,746.04 and 19,432,220.81 is: 29,151,959.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,773,839.90 : 64,168,746.04 = 19,432,220.81 : x
  2. Step 2: Convert to fraction form
    42,773,839.90/64,168,746.04 = 19,432,220.81/x
  3. Step 3: Cross multiply
    42,773,839.90x = 64,168,746.04 × 19,432,220.81
  4. Step 4: Simplify right side
    42,773,839.90x = 1,246,941,242,214,489
  5. Step 5: Solve for x
    x = 1,246,941,242,214,489/42,773,839.90
  6. Step 6: Final answer
    x = 29,151,959.36

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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.