Home / 144,854,138.70-217,281,208.05-76,829,690.70

Finding the Fourth Proportional to 144,854,138.70, 217,281,208.05 and 76,829,690.70

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Solution

The fourth proportional to 144,854,138.70, 217,281,208.05 and 76,829,690.70 is: 115,244,536.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,854,138.70 : 217,281,208.05 = 76,829,690.70 : x
  2. Step 2: Convert to fraction form
    144,854,138.70/217,281,208.05 = 76,829,690.70/x
  3. Step 3: Cross multiply
    144,854,138.70x = 217,281,208.05 × 76,829,690.70
  4. Step 4: Simplify right side
    144,854,138.70x = 16,693,648,009,403,852
  5. Step 5: Solve for x
    x = 16,693,648,009,403,852/144,854,138.70
  6. Step 6: Final answer
    x = 115,244,536.05

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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.