Home / 142,523,234.40-213,784,851.60-70,859,618.40

Finding the Fourth Proportional to 142,523,234.40, 213,784,851.60 and 70,859,618.40

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Solution

The fourth proportional to 142,523,234.40, 213,784,851.60 and 70,859,618.40 is: 106,289,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,523,234.40 : 213,784,851.60 = 70,859,618.40 : x
  2. Step 2: Convert to fraction form
    142,523,234.40/213,784,851.60 = 70,859,618.40/x
  3. Step 3: Cross multiply
    142,523,234.40x = 213,784,851.60 × 70,859,618.40
  4. Step 4: Simplify right side
    142,523,234.40x = 15,148,713,004,076,630
  5. Step 5: Solve for x
    x = 15,148,713,004,076,630/142,523,234.40
  6. Step 6: Final answer
    x = 106,289,427.60

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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.