Home / 239,112,074.40-358,668,111.60-66,615,511.20

Finding the Fourth Proportional to 239,112,074.40, 358,668,111.60 and 66,615,511.20

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Solution

The fourth proportional to 239,112,074.40, 358,668,111.60 and 66,615,511.20 is: 99,923,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,112,074.40 : 358,668,111.60 = 66,615,511.20 : x
  2. Step 2: Convert to fraction form
    239,112,074.40/358,668,111.60 = 66,615,511.20/x
  3. Step 3: Cross multiply
    239,112,074.40x = 358,668,111.60 × 66,615,511.20
  4. Step 4: Simplify right side
    239,112,074.40x = 23,892,859,605,372,652
  5. Step 5: Solve for x
    x = 23,892,859,605,372,652/239,112,074.40
  6. Step 6: Final answer
    x = 99,923,266.80

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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.