Home / 124,556,611.20-186,834,916.80-92,271,570.45

Finding the Fourth Proportional to 124,556,611.20, 186,834,916.80 and 92,271,570.45

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Solution

The fourth proportional to 124,556,611.20, 186,834,916.80 and 92,271,570.45 is: 138,407,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,556,611.20 : 186,834,916.80 = 92,271,570.45 : x
  2. Step 2: Convert to fraction form
    124,556,611.20/186,834,916.80 = 92,271,570.45/x
  3. Step 3: Cross multiply
    124,556,611.20x = 186,834,916.80 × 92,271,570.45
  4. Step 4: Simplify right side
    124,556,611.20x = 17,239,551,188,031,090
  5. Step 5: Solve for x
    x = 17,239,551,188,031,090/124,556,611.20
  6. Step 6: Final answer
    x = 138,407,355.68

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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.