Home / 128,307,117.60-192,468,049.20-37,444,730.40

Finding the Fourth Proportional to 128,307,117.60, 192,468,049.20 and 37,444,730.40

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Solution

The fourth proportional to 128,307,117.60, 192,468,049.20 and 37,444,730.40 is: 56,169,247.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,307,117.60 : 192,468,049.20 = 37,444,730.40 : x
  2. Step 2: Convert to fraction form
    128,307,117.60/192,468,049.20 = 37,444,730.40/x
  3. Step 3: Cross multiply
    128,307,117.60x = 192,468,049.20 × 37,444,730.40
  4. Step 4: Simplify right side
    128,307,117.60x = 7,206,914,212,907,935
  5. Step 5: Solve for x
    x = 7,206,914,212,907,935/128,307,117.60
  6. Step 6: Final answer
    x = 56,169,247.25

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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.