Home / 255,191,143.80-382,786,715.70-118,890,305.40

Finding the Fourth Proportional to 255,191,143.80, 382,786,715.70 and 118,890,305.40

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Solution

The fourth proportional to 255,191,143.80, 382,786,715.70 and 118,890,305.40 is: 178,335,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,191,143.80 : 382,786,715.70 = 118,890,305.40 : x
  2. Step 2: Convert to fraction form
    255,191,143.80/382,786,715.70 = 118,890,305.40/x
  3. Step 3: Cross multiply
    255,191,143.80x = 382,786,715.70 × 118,890,305.40
  4. Step 4: Simplify right side
    255,191,143.80x = 45,509,629,532,635,976
  5. Step 5: Solve for x
    x = 45,509,629,532,635,976/255,191,143.80
  6. Step 6: Final answer
    x = 178,335,458.10

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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.