Home / 145,163,675.70-217,745,513.55-64,384,643.70

Finding the Fourth Proportional to 145,163,675.70, 217,745,513.55 and 64,384,643.70

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Solution

The fourth proportional to 145,163,675.70, 217,745,513.55 and 64,384,643.70 is: 96,576,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,163,675.70 : 217,745,513.55 = 64,384,643.70 : x
  2. Step 2: Convert to fraction form
    145,163,675.70/217,745,513.55 = 64,384,643.70/x
  3. Step 3: Cross multiply
    145,163,675.70x = 217,745,513.55 × 64,384,643.70
  4. Step 4: Simplify right side
    145,163,675.70x = 14,019,467,307,190,274
  5. Step 5: Solve for x
    x = 14,019,467,307,190,274/145,163,675.70
  6. Step 6: Final answer
    x = 96,576,965.55

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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.