Home / 112,004,347.60-168,006,521.40-105,201,902.80

Finding the Fourth Proportional to 112,004,347.60, 168,006,521.40 and 105,201,902.80

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Solution

The fourth proportional to 112,004,347.60, 168,006,521.40 and 105,201,902.80 is: 157,802,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,004,347.60 : 168,006,521.40 = 105,201,902.80 : x
  2. Step 2: Convert to fraction form
    112,004,347.60/168,006,521.40 = 105,201,902.80/x
  3. Step 3: Cross multiply
    112,004,347.60x = 168,006,521.40 × 105,201,902.80
  4. Step 4: Simplify right side
    112,004,347.60x = 17,674,605,734,088,920
  5. Step 5: Solve for x
    x = 17,674,605,734,088,920/112,004,347.60
  6. Step 6: Final answer
    x = 157,802,854.20

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1.5x scale

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.