Home / 112,929,807.80-169,520,682.90-105,528,999.80

Finding the Fourth Proportional to 112,929,807.80, 169,520,682.90 and 105,528,999.80

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Solution

The fourth proportional to 112,929,807.80, 169,520,682.90 and 105,528,999.80 is: 158,411,215.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,929,807.80 : 169,520,682.90 = 105,528,999.80 : x
  2. Step 2: Convert to fraction form
    112,929,807.80/169,520,682.90 = 105,528,999.80/x
  3. Step 3: Cross multiply
    112,929,807.80x = 169,520,682.90 × 105,528,999.80
  4. Step 4: Simplify right side
    112,929,807.80x = 17,889,348,111,849,964
  5. Step 5: Solve for x
    x = 17,889,348,111,849,964/112,929,807.80
  6. Step 6: Final answer
    x = 158,411,215.43

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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.