Home / 144,828,903.60-216,959,920.20-87,149,840.40

Finding the Fourth Proportional to 144,828,903.60, 216,959,920.20 and 87,149,840.40

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Solution

The fourth proportional to 144,828,903.60, 216,959,920.20 and 87,149,840.40 is: 130,554,205.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,828,903.60 : 216,959,920.20 = 87,149,840.40 : x
  2. Step 2: Convert to fraction form
    144,828,903.60/216,959,920.20 = 87,149,840.40/x
  3. Step 3: Cross multiply
    144,828,903.60x = 216,959,920.20 × 87,149,840.40
  4. Step 4: Simplify right side
    144,828,903.60x = 18,908,022,418,626,736
  5. Step 5: Solve for x
    x = 18,908,022,418,626,736/144,828,903.60
  6. Step 6: Final answer
    x = 130,554,205.33

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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.