Home / 42,893,272.11-64,303,746.10-18,613,908.88

Finding the Fourth Proportional to 42,893,272.11, 64,303,746.10 and 18,613,908.88

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Solution

The fourth proportional to 42,893,272.11, 64,303,746.10 and 18,613,908.88 is: 27,905,170.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,893,272.11 : 64,303,746.10 = 18,613,908.88 : x
  2. Step 2: Convert to fraction form
    42,893,272.11/64,303,746.10 = 18,613,908.88/x
  3. Step 3: Cross multiply
    42,893,272.11x = 64,303,746.10 × 18,613,908.88
  4. Step 4: Simplify right side
    42,893,272.11x = 1,196,944,070,548,055.25
  5. Step 5: Solve for x
    x = 1,196,944,070,548,055.25/42,893,272.11
  6. Step 6: Final answer
    x = 27,905,170.48

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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.