Home / 245,306,937.66-368,124,039.18-127,240,512.45

Finding the Fourth Proportional to 245,306,937.66, 368,124,039.18 and 127,240,512.45

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Solution

The fourth proportional to 245,306,937.66, 368,124,039.18 and 127,240,512.45 is: 190,945,644.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,306,937.66 : 368,124,039.18 = 127,240,512.45 : x
  2. Step 2: Convert to fraction form
    245,306,937.66/368,124,039.18 = 127,240,512.45/x
  3. Step 3: Cross multiply
    245,306,937.66x = 368,124,039.18 × 127,240,512.45
  4. Step 4: Simplify right side
    245,306,937.66x = 46,840,291,390,427,080
  5. Step 5: Solve for x
    x = 46,840,291,390,427,080/245,306,937.66
  6. Step 6: Final answer
    x = 190,945,644.82

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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.