Home / 118,911,364.20-178,367,046.30-100,771,511.40

Finding the Fourth Proportional to 118,911,364.20, 178,367,046.30 and 100,771,511.40

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Solution

The fourth proportional to 118,911,364.20, 178,367,046.30 and 100,771,511.40 is: 151,157,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,911,364.20 : 178,367,046.30 = 100,771,511.40 : x
  2. Step 2: Convert to fraction form
    118,911,364.20/178,367,046.30 = 100,771,511.40/x
  3. Step 3: Cross multiply
    118,911,364.20x = 178,367,046.30 × 100,771,511.40
  4. Step 4: Simplify right side
    118,911,364.20x = 17,974,316,839,604,780
  5. Step 5: Solve for x
    x = 17,974,316,839,604,780/118,911,364.20
  6. Step 6: Final answer
    x = 151,157,267.10

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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.