Home / 140,343,457.07-193,596,216.12-81,599,628.32

Finding the Fourth Proportional to 140,343,457.07, 193,596,216.12 and 81,599,628.32

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Solution

The fourth proportional to 140,343,457.07, 193,596,216.12 and 81,599,628.32 is: 112,562,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,343,457.07 : 193,596,216.12 = 81,599,628.32 : x
  2. Step 2: Convert to fraction form
    140,343,457.07/193,596,216.12 = 81,599,628.32/x
  3. Step 3: Cross multiply
    140,343,457.07x = 193,596,216.12 × 81,599,628.32
  4. Step 4: Simplify right side
    140,343,457.07x = 15,797,379,278,582,412
  5. Step 5: Solve for x
    x = 15,797,379,278,582,412/140,343,457.07
  6. Step 6: Final answer
    x = 112,562,278.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.