Home / 99,136,458.03-136,807,869.20-55,090,627.95

Finding the Fourth Proportional to 99,136,458.03, 136,807,869.20 and 55,090,627.95

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Solution

The fourth proportional to 99,136,458.03, 136,807,869.20 and 55,090,627.95 is: 76,024,820.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,136,458.03 : 136,807,869.20 = 55,090,627.95 : x
  2. Step 2: Convert to fraction form
    99,136,458.03/136,807,869.20 = 55,090,627.95/x
  3. Step 3: Cross multiply
    99,136,458.03x = 136,807,869.20 × 55,090,627.95
  4. Step 4: Simplify right side
    99,136,458.03x = 7,536,831,422,454,011
  5. Step 5: Solve for x
    x = 7,536,831,422,454,011/99,136,458.03
  6. Step 6: Final answer
    x = 76,024,820.46

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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.