Home / 145,163,999.70-217,745,999.55-64,384,967.70

Finding the Fourth Proportional to 145,163,999.70, 217,745,999.55 and 64,384,967.70

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Solution

The fourth proportional to 145,163,999.70, 217,745,999.55 and 64,384,967.70 is: 96,577,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,163,999.70 : 217,745,999.55 = 64,384,967.70 : x
  2. Step 2: Convert to fraction form
    145,163,999.70/217,745,999.55 = 64,384,967.70/x
  3. Step 3: Cross multiply
    145,163,999.70x = 217,745,999.55 × 64,384,967.70
  4. Step 4: Simplify right side
    145,163,999.70x = 14,019,569,147,830,966
  5. Step 5: Solve for x
    x = 14,019,569,147,830,966/145,163,999.70
  6. Step 6: Final answer
    x = 96,577,451.55

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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.