Home / 112,124,033.80-168,186,050.70-66,774,401.80

Finding the Fourth Proportional to 112,124,033.80, 168,186,050.70 and 66,774,401.80

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Solution

The fourth proportional to 112,124,033.80, 168,186,050.70 and 66,774,401.80 is: 100,161,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,124,033.80 : 168,186,050.70 = 66,774,401.80 : x
  2. Step 2: Convert to fraction form
    112,124,033.80/168,186,050.70 = 66,774,401.80/x
  3. Step 3: Cross multiply
    112,124,033.80x = 168,186,050.70 × 66,774,401.80
  4. Step 4: Simplify right side
    112,124,033.80x = 11,230,522,926,596,970
  5. Step 5: Solve for x
    x = 11,230,522,926,596,970/112,124,033.80
  6. Step 6: Final answer
    x = 100,161,602.70

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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.