Home / 124,524,915.40-186,535,430.70-86,229,670.60

Finding the Fourth Proportional to 124,524,915.40, 186,535,430.70 and 86,229,670.60

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Solution

The fourth proportional to 124,524,915.40, 186,535,430.70 and 86,229,670.60 is: 129,170,043.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,524,915.40 : 186,535,430.70 = 86,229,670.60 : x
  2. Step 2: Convert to fraction form
    124,524,915.40/186,535,430.70 = 86,229,670.60/x
  3. Step 3: Cross multiply
    124,524,915.40x = 186,535,430.70 × 86,229,670.60
  4. Step 4: Simplify right side
    124,524,915.40x = 16,084,888,744,490,126
  5. Step 5: Solve for x
    x = 16,084,888,744,490,126/124,524,915.40
  6. Step 6: Final answer
    x = 129,170,043.54

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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.