Home / 101,637,124.02-140,260,119.21-55,227,376.98

Finding the Fourth Proportional to 101,637,124.02, 140,260,119.21 and 55,227,376.98

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Solution

The fourth proportional to 101,637,124.02, 140,260,119.21 and 55,227,376.98 is: 76,214,262.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,637,124.02 : 140,260,119.21 = 55,227,376.98 : x
  2. Step 2: Convert to fraction form
    101,637,124.02/140,260,119.21 = 55,227,376.98/x
  3. Step 3: Cross multiply
    101,637,124.02x = 140,260,119.21 × 55,227,376.98
  4. Step 4: Simplify right side
    101,637,124.02x = 7,746,198,478,870,410
  5. Step 5: Solve for x
    x = 7,746,198,478,870,410/101,637,124.02
  6. Step 6: Final answer
    x = 76,214,262.79

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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.