Home / 108,889,671.30-163,145,550.15-70,531,440.90

Finding the Fourth Proportional to 108,889,671.30, 163,145,550.15 and 70,531,440.90

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Solution

The fourth proportional to 108,889,671.30, 163,145,550.15 and 70,531,440.90 is: 105,674,767.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889,671.30 : 163,145,550.15 = 70,531,440.90 : x
  2. Step 2: Convert to fraction form
    108,889,671.30/163,145,550.15 = 70,531,440.90/x
  3. Step 3: Cross multiply
    108,889,671.30x = 163,145,550.15 × 70,531,440.90
  4. Step 4: Simplify right side
    108,889,671.30x = 11,506,890,728,502,712
  5. Step 5: Solve for x
    x = 11,506,890,728,502,712/108,889,671.30
  6. Step 6: Final answer
    x = 105,674,767.78

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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.