Home / 70,144,007.20-105,216,010.80-50,884,410.40

Finding the Fourth Proportional to 70,144,007.20, 105,216,010.80 and 50,884,410.40

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Solution

The fourth proportional to 70,144,007.20, 105,216,010.80 and 50,884,410.40 is: 76,326,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,144,007.20 : 105,216,010.80 = 50,884,410.40 : x
  2. Step 2: Convert to fraction form
    70,144,007.20/105,216,010.80 = 50,884,410.40/x
  3. Step 3: Cross multiply
    70,144,007.20x = 105,216,010.80 × 50,884,410.40
  4. Step 4: Simplify right side
    70,144,007.20x = 5,353,854,674,198,032
  5. Step 5: Solve for x
    x = 5,353,854,674,198,032/70,144,007.20
  6. Step 6: Final answer
    x = 76,326,615.60

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Similar ratio
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1.5x scale

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.