Home / 144,829,008.60-216,960,077.70-87,149,945.40

Finding the Fourth Proportional to 144,829,008.60, 216,960,077.70 and 87,149,945.40

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Solution

The fourth proportional to 144,829,008.60, 216,960,077.70 and 87,149,945.40 is: 130,554,362.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,829,008.60 : 216,960,077.70 = 87,149,945.40 : x
  2. Step 2: Convert to fraction form
    144,829,008.60/216,960,077.70 = 87,149,945.40/x
  3. Step 3: Cross multiply
    144,829,008.60x = 216,960,077.70 × 87,149,945.40
  4. Step 4: Simplify right side
    144,829,008.60x = 18,908,058,925,534,756
  5. Step 5: Solve for x
    x = 18,908,058,925,534,756/144,829,008.60
  6. Step 6: Final answer
    x = 130,554,362.75

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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.