Home / 109,395,990.80-164,118,869.40-63,934,384.40

Finding the Fourth Proportional to 109,395,990.80, 164,118,869.40 and 63,934,384.40

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Solution

The fourth proportional to 109,395,990.80, 164,118,869.40 and 63,934,384.40 is: 95,916,119.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,395,990.80 : 164,118,869.40 = 63,934,384.40 : x
  2. Step 2: Convert to fraction form
    109,395,990.80/164,118,869.40 = 63,934,384.40/x
  3. Step 3: Cross multiply
    109,395,990.80x = 164,118,869.40 × 63,934,384.40
  4. Step 4: Simplify right side
    109,395,990.80x = 10,492,838,883,512,998
  5. Step 5: Solve for x
    x = 10,492,838,883,512,998/109,395,990.80
  6. Step 6: Final answer
    x = 95,916,119.11

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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.