Home / 112,929,807.30-169,520,682.15-105,528,999.30

Finding the Fourth Proportional to 112,929,807.30, 169,520,682.15 and 105,528,999.30

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Solution

The fourth proportional to 112,929,807.30, 169,520,682.15 and 105,528,999.30 is: 158,411,214.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,929,807.30 : 169,520,682.15 = 105,528,999.30 : x
  2. Step 2: Convert to fraction form
    112,929,807.30/169,520,682.15 = 105,528,999.30/x
  3. Step 3: Cross multiply
    112,929,807.30x = 169,520,682.15 × 105,528,999.30
  4. Step 4: Simplify right side
    112,929,807.30x = 17,889,347,947,942,872
  5. Step 5: Solve for x
    x = 17,889,347,947,942,872/112,929,807.30
  6. Step 6: Final answer
    x = 158,411,214.68

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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.