Home / 315,677,110.80-473,648,091.48-140,679,587.28

Finding the Fourth Proportional to 315,677,110.80, 473,648,091.48 and 140,679,587.28

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Solution

The fourth proportional to 315,677,110.80, 473,648,091.48 and 140,679,587.28 is: 211,078,395.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,677,110.80 : 473,648,091.48 = 140,679,587.28 : x
  2. Step 2: Convert to fraction form
    315,677,110.80/473,648,091.48 = 140,679,587.28/x
  3. Step 3: Cross multiply
    315,677,110.80x = 473,648,091.48 × 140,679,587.28
  4. Step 4: Simplify right side
    315,677,110.80x = 66,632,618,025,366,088
  5. Step 5: Solve for x
    x = 66,632,618,025,366,088/315,677,110.80
  6. Step 6: Final answer
    x = 211,078,395.44

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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.