Home / 108,979,324.12-163,545,587.48-98,559,831.64

Finding the Fourth Proportional to 108,979,324.12, 163,545,587.48 and 98,559,831.64

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Solution

The fourth proportional to 108,979,324.12, 163,545,587.48 and 98,559,831.64 is: 147,909,024.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,979,324.12 : 163,545,587.48 = 98,559,831.64 : x
  2. Step 2: Convert to fraction form
    108,979,324.12/163,545,587.48 = 98,559,831.64/x
  3. Step 3: Cross multiply
    108,979,324.12x = 163,545,587.48 × 98,559,831.64
  4. Step 4: Simplify right side
    108,979,324.12x = 16,119,025,567,493,690
  5. Step 5: Solve for x
    x = 16,119,025,567,493,690/108,979,324.12
  6. Step 6: Final answer
    x = 147,909,024.92

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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.