Home / 315,534,762.32-473,352,998.52-97,185,032.24

Finding the Fourth Proportional to 315,534,762.32, 473,352,998.52 and 97,185,032.24

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Solution

The fourth proportional to 315,534,762.32, 473,352,998.52 and 97,185,032.24 is: 145,793,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,534,762.32 : 473,352,998.52 = 97,185,032.24 : x
  2. Step 2: Convert to fraction form
    315,534,762.32/473,352,998.52 = 97,185,032.24/x
  3. Step 3: Cross multiply
    315,534,762.32x = 473,352,998.52 × 97,185,032.24
  4. Step 4: Simplify right side
    315,534,762.32x = 46,002,826,422,066,864
  5. Step 5: Solve for x
    x = 46,002,826,422,066,864/315,534,762.32
  6. Step 6: Final answer
    x = 145,793,211.76

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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.