Home / 106,903,721.60-160,360,831.20-55,885,385.60

Finding the Fourth Proportional to 106,903,721.60, 160,360,831.20 and 55,885,385.60

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Solution

The fourth proportional to 106,903,721.60, 160,360,831.20 and 55,885,385.60 is: 83,830,822.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,903,721.60 : 160,360,831.20 = 55,885,385.60 : x
  2. Step 2: Convert to fraction form
    106,903,721.60/160,360,831.20 = 55,885,385.60/x
  3. Step 3: Cross multiply
    106,903,721.60x = 160,360,831.20 × 55,885,385.60
  4. Step 4: Simplify right side
    106,903,721.60x = 8,961,826,886,748,510
  5. Step 5: Solve for x
    x = 8,961,826,886,748,510/106,903,721.60
  6. Step 6: Final answer
    x = 83,830,822.28

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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.