Home / 64,755,961.80-97,121,501.10-19,319,238.60

Finding the Fourth Proportional to 64,755,961.80, 97,121,501.10 and 19,319,238.60

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Solution

The fourth proportional to 64,755,961.80, 97,121,501.10 and 19,319,238.60 is: 28,975,146.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,755,961.80 : 97,121,501.10 = 19,319,238.60 : x
  2. Step 2: Convert to fraction form
    64,755,961.80/97,121,501.10 = 19,319,238.60/x
  3. Step 3: Cross multiply
    64,755,961.80x = 97,121,501.10 × 19,319,238.60
  4. Step 4: Simplify right side
    64,755,961.80x = 1,876,313,452,941,062.50
  5. Step 5: Solve for x
    x = 1,876,313,452,941,062.50/64,755,961.80
  6. Step 6: Final answer
    x = 28,975,146.08

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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.