Home / 64,768,867.20-97,164,187.20-19,335,254.40

Finding the Fourth Proportional to 64,768,867.20, 97,164,187.20 and 19,335,254.40

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Solution

The fourth proportional to 64,768,867.20, 97,164,187.20 and 19,335,254.40 is: 29,006,131.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,768,867.20 : 97,164,187.20 = 19,335,254.40 : x
  2. Step 2: Convert to fraction form
    64,768,867.20/97,164,187.20 = 19,335,254.40/x
  3. Step 3: Cross multiply
    64,768,867.20x = 97,164,187.20 × 19,335,254.40
  4. Step 4: Simplify right side
    64,768,867.20x = 1,878,694,278,081,223.50
  5. Step 5: Solve for x
    x = 1,878,694,278,081,223.50/64,768,867.20
  6. Step 6: Final answer
    x = 29,006,131.48

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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.