Home / 118,747,209.40-178,120,814.10-70,971,465.40

Finding the Fourth Proportional to 118,747,209.40, 178,120,814.10 and 70,971,465.40

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Solution

The fourth proportional to 118,747,209.40, 178,120,814.10 and 70,971,465.40 is: 106,457,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,747,209.40 : 178,120,814.10 = 70,971,465.40 : x
  2. Step 2: Convert to fraction form
    118,747,209.40/178,120,814.10 = 70,971,465.40/x
  3. Step 3: Cross multiply
    118,747,209.40x = 178,120,814.10 × 70,971,465.40
  4. Step 4: Simplify right side
    118,747,209.40x = 12,641,495,194,917,982
  5. Step 5: Solve for x
    x = 12,641,495,194,917,982/118,747,209.40
  6. Step 6: Final answer
    x = 106,457,198.10

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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.