Home / 448,755,530.16-673,157,789.64-142,024,756.08

Finding the Fourth Proportional to 448,755,530.16, 673,157,789.64 and 142,024,756.08

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Solution

The fourth proportional to 448,755,530.16, 673,157,789.64 and 142,024,756.08 is: 213,044,886.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,755,530.16 : 673,157,789.64 = 142,024,756.08 : x
  2. Step 2: Convert to fraction form
    448,755,530.16/673,157,789.64 = 142,024,756.08/x
  3. Step 3: Cross multiply
    448,755,530.16x = 673,157,789.64 × 142,024,756.08
  4. Step 4: Simplify right side
    448,755,530.16x = 95,605,070,876,972,960
  5. Step 5: Solve for x
    x = 95,605,070,876,972,960/448,755,530.16
  6. Step 6: Final answer
    x = 213,044,886.25

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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.