Home / 185,509,695.30-278,370,831.15-70,576,721.70

Finding the Fourth Proportional to 185,509,695.30, 278,370,831.15 and 70,576,721.70

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Solution

The fourth proportional to 185,509,695.30, 278,370,831.15 and 70,576,721.70 is: 105,905,519.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,509,695.30 : 278,370,831.15 = 70,576,721.70 : x
  2. Step 2: Convert to fraction form
    185,509,695.30/278,370,831.15 = 70,576,721.70/x
  3. Step 3: Cross multiply
    185,509,695.30x = 278,370,831.15 × 70,576,721.70
  4. Step 4: Simplify right side
    185,509,695.30x = 19,646,500,679,471,240
  5. Step 5: Solve for x
    x = 19,646,500,679,471,240/185,509,695.30
  6. Step 6: Final answer
    x = 105,905,519.64

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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.