Home / 170,121,831.60-255,014,785.80-83,789,569.20

Finding the Fourth Proportional to 170,121,831.60, 255,014,785.80 and 83,789,569.20

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Solution

The fourth proportional to 170,121,831.60, 255,014,785.80 and 83,789,569.20 is: 125,601,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,121,831.60 : 255,014,785.80 = 83,789,569.20 : x
  2. Step 2: Convert to fraction form
    170,121,831.60/255,014,785.80 = 83,789,569.20/x
  3. Step 3: Cross multiply
    170,121,831.60x = 255,014,785.80 × 83,789,569.20
  4. Step 4: Simplify right side
    170,121,831.60x = 21,367,579,041,812,280
  5. Step 5: Solve for x
    x = 21,367,579,041,812,280/170,121,831.60
  6. Step 6: Final answer
    x = 125,601,628.20

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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.