Home / 99,136,457.28-136,807,868.16-55,090,627.20

Finding the Fourth Proportional to 99,136,457.28, 136,807,868.16 and 55,090,627.20

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Solution

The fourth proportional to 99,136,457.28, 136,807,868.16 and 55,090,627.20 is: 76,024,819.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,136,457.28 : 136,807,868.16 = 55,090,627.20 : x
  2. Step 2: Convert to fraction form
    99,136,457.28/136,807,868.16 = 55,090,627.20/x
  3. Step 3: Cross multiply
    99,136,457.28x = 136,807,868.16 × 55,090,627.20
  4. Step 4: Simplify right side
    99,136,457.28x = 7,536,831,262,829,310
  5. Step 5: Solve for x
    x = 7,536,831,262,829,310/99,136,457.28
  6. Step 6: Final answer
    x = 76,024,819.42

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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.