Home / 118,095,933.60-177,143,900.40-72,509,911.20

Finding the Fourth Proportional to 118,095,933.60, 177,143,900.40 and 72,509,911.20

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Solution

The fourth proportional to 118,095,933.60, 177,143,900.40 and 72,509,911.20 is: 108,764,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,095,933.60 : 177,143,900.40 = 72,509,911.20 : x
  2. Step 2: Convert to fraction form
    118,095,933.60/177,143,900.40 = 72,509,911.20/x
  3. Step 3: Cross multiply
    118,095,933.60x = 177,143,900.40 × 72,509,911.20
  4. Step 4: Simplify right side
    118,095,933.60x = 12,844,688,487,625,646
  5. Step 5: Solve for x
    x = 12,844,688,487,625,646/118,095,933.60
  6. Step 6: Final answer
    x = 108,764,866.80

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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.