Home / 67,220,931.80-100,831,397.70-53,784,003.80

Finding the Fourth Proportional to 67,220,931.80, 100,831,397.70 and 53,784,003.80

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Solution

The fourth proportional to 67,220,931.80, 100,831,397.70 and 53,784,003.80 is: 80,676,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,220,931.80 : 100,831,397.70 = 53,784,003.80 : x
  2. Step 2: Convert to fraction form
    67,220,931.80/100,831,397.70 = 53,784,003.80/x
  3. Step 3: Cross multiply
    67,220,931.80x = 100,831,397.70 × 53,784,003.80
  4. Step 4: Simplify right side
    67,220,931.80x = 5,423,116,277,056,111
  5. Step 5: Solve for x
    x = 5,423,116,277,056,111/67,220,931.80
  6. Step 6: Final answer
    x = 80,676,005.70

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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.