Home / 112,095,270.90-168,142,906.35-81,484,269.30

Finding the Fourth Proportional to 112,095,270.90, 168,142,906.35 and 81,484,269.30

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Solution

The fourth proportional to 112,095,270.90, 168,142,906.35 and 81,484,269.30 is: 122,226,403.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,095,270.90 : 168,142,906.35 = 81,484,269.30 : x
  2. Step 2: Convert to fraction form
    112,095,270.90/168,142,906.35 = 81,484,269.30/x
  3. Step 3: Cross multiply
    112,095,270.90x = 168,142,906.35 × 81,484,269.30
  4. Step 4: Simplify right side
    112,095,270.90x = 13,701,001,861,908,080
  5. Step 5: Solve for x
    x = 13,701,001,861,908,080/112,095,270.90
  6. Step 6: Final answer
    x = 122,226,403.95

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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.