Home / 109,133,088.10-163,699,632.15-65,980,078.90

Finding the Fourth Proportional to 109,133,088.10, 163,699,632.15 and 65,980,078.90

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Solution

The fourth proportional to 109,133,088.10, 163,699,632.15 and 65,980,078.90 is: 98,970,118.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,133,088.10 : 163,699,632.15 = 65,980,078.90 : x
  2. Step 2: Convert to fraction form
    109,133,088.10/163,699,632.15 = 65,980,078.90/x
  3. Step 3: Cross multiply
    109,133,088.10x = 163,699,632.15 × 65,980,078.90
  4. Step 4: Simplify right side
    109,133,088.10x = 10,800,914,645,157,976
  5. Step 5: Solve for x
    x = 10,800,914,645,157,976/109,133,088.10
  6. Step 6: Final answer
    x = 98,970,118.35

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1.5x scale

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.