Home / 141,823,366.40-212,903,011.20-80,461,395.20

Finding the Fourth Proportional to 141,823,366.40, 212,903,011.20 and 80,461,395.20

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Solution

The fourth proportional to 141,823,366.40, 212,903,011.20 and 80,461,395.20 is: 120,787,383.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,823,366.40 : 212,903,011.20 = 80,461,395.20 : x
  2. Step 2: Convert to fraction form
    141,823,366.40/212,903,011.20 = 80,461,395.20/x
  3. Step 3: Cross multiply
    141,823,366.40x = 212,903,011.20 × 80,461,395.20
  4. Step 4: Simplify right side
    141,823,366.40x = 17,130,473,323,433,226
  5. Step 5: Solve for x
    x = 17,130,473,323,433,226/141,823,366.40
  6. Step 6: Final answer
    x = 120,787,383.34

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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.