Home / 99,136,458.28-136,807,869.54-55,090,628.20

Finding the Fourth Proportional to 99,136,458.28, 136,807,869.54 and 55,090,628.20

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Solution

The fourth proportional to 99,136,458.28, 136,807,869.54 and 55,090,628.20 is: 76,024,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,136,458.28 : 136,807,869.54 = 55,090,628.20 : x
  2. Step 2: Convert to fraction form
    99,136,458.28/136,807,869.54 = 55,090,628.20/x
  3. Step 3: Cross multiply
    99,136,458.28x = 136,807,869.54 × 55,090,628.20
  4. Step 4: Simplify right side
    99,136,458.28x = 7,536,831,475,662,245
  5. Step 5: Solve for x
    x = 7,536,831,475,662,245/99,136,458.28
  6. Step 6: Final answer
    x = 76,024,820.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.