Home / 143,527,500.30-215,144,284.05-70,632,165.90

Finding the Fourth Proportional to 143,527,500.30, 215,144,284.05 and 70,632,165.90

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Solution

The fourth proportional to 143,527,500.30, 215,144,284.05 and 70,632,165.90 is: 105,875,924.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,527,500.30 : 215,144,284.05 = 70,632,165.90 : x
  2. Step 2: Convert to fraction form
    143,527,500.30/215,144,284.05 = 70,632,165.90/x
  3. Step 3: Cross multiply
    143,527,500.30x = 215,144,284.05 × 70,632,165.90
  4. Step 4: Simplify right side
    143,527,500.30x = 15,196,106,763,456,326
  5. Step 5: Solve for x
    x = 15,196,106,763,456,326/143,527,500.30
  6. Step 6: Final answer
    x = 105,875,924.35

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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.