Home / 70,335,901.60-105,535,345.20-31,977,671.20

Finding the Fourth Proportional to 70,335,901.60, 105,535,345.20 and 31,977,671.20

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Solution

The fourth proportional to 70,335,901.60, 105,535,345.20 and 31,977,671.20 is: 47,980,824.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,335,901.60 : 105,535,345.20 = 31,977,671.20 : x
  2. Step 2: Convert to fraction form
    70,335,901.60/105,535,345.20 = 31,977,671.20/x
  3. Step 3: Cross multiply
    70,335,901.60x = 105,535,345.20 × 31,977,671.20
  4. Step 4: Simplify right side
    70,335,901.60x = 3,374,774,568,784,098.50
  5. Step 5: Solve for x
    x = 3,374,774,568,784,098.50/70,335,901.60
  6. Step 6: Final answer
    x = 47,980,824.76

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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.