Home / 109,806,070.40-164,661,866.40-55,197,555.20

Finding the Fourth Proportional to 109,806,070.40, 164,661,866.40 and 55,197,555.20

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Solution

The fourth proportional to 109,806,070.40, 164,661,866.40 and 55,197,555.20 is: 82,772,586.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,806,070.40 : 164,661,866.40 = 55,197,555.20 : x
  2. Step 2: Convert to fraction form
    109,806,070.40/164,661,866.40 = 55,197,555.20/x
  3. Step 3: Cross multiply
    109,806,070.40x = 164,661,866.40 × 55,197,555.20
  4. Step 4: Simplify right side
    109,806,070.40x = 9,088,932,459,949,026
  5. Step 5: Solve for x
    x = 9,088,932,459,949,026/109,806,070.40
  6. Step 6: Final answer
    x = 82,772,586.50

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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.