Home / 75,303,911.80-112,955,867.70-52,345,660.60

Finding the Fourth Proportional to 75,303,911.80, 112,955,867.70 and 52,345,660.60

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Solution

The fourth proportional to 75,303,911.80, 112,955,867.70 and 52,345,660.60 is: 78,518,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,303,911.80 : 112,955,867.70 = 52,345,660.60 : x
  2. Step 2: Convert to fraction form
    75,303,911.80/112,955,867.70 = 52,345,660.60/x
  3. Step 3: Cross multiply
    75,303,911.80x = 112,955,867.70 × 52,345,660.60
  4. Step 4: Simplify right side
    75,303,911.80x = 5,912,749,513,402,703
  5. Step 5: Solve for x
    x = 5,912,749,513,402,703/75,303,911.80
  6. Step 6: Final answer
    x = 78,518,490.90

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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.