Home / 124,556,021.20-186,851,887.80-38,301,672.40

Finding the Fourth Proportional to 124,556,021.20, 186,851,887.80 and 38,301,672.40

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Solution

The fourth proportional to 124,556,021.20, 186,851,887.80 and 38,301,672.40 is: 57,457,999.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,556,021.20 : 186,851,887.80 = 38,301,672.40 : x
  2. Step 2: Convert to fraction form
    124,556,021.20/186,851,887.80 = 38,301,672.40/x
  3. Step 3: Cross multiply
    124,556,021.20x = 186,851,887.80 × 38,301,672.40
  4. Step 4: Simplify right side
    124,556,021.20x = 7,156,739,793,837,157
  5. Step 5: Solve for x
    x = 7,156,739,793,837,157/124,556,021.20
  6. Step 6: Final answer
    x = 57,457,999.42

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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.