Home / 105,680,652.04-145,777,362.78-66,460,218.76

Finding the Fourth Proportional to 105,680,652.04, 145,777,362.78 and 66,460,218.76

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Solution

The fourth proportional to 105,680,652.04, 145,777,362.78 and 66,460,218.76 is: 91,676,151.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,680,652.04 : 145,777,362.78 = 66,460,218.76 : x
  2. Step 2: Convert to fraction form
    105,680,652.04/145,777,362.78 = 66,460,218.76/x
  3. Step 3: Cross multiply
    105,680,652.04x = 145,777,362.78 × 66,460,218.76
  4. Step 4: Simplify right side
    105,680,652.04x = 9,688,395,420,614,682
  5. Step 5: Solve for x
    x = 9,688,395,420,614,682/105,680,652.04
  6. Step 6: Final answer
    x = 91,676,151.06

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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.