Home / 238,078,016.04-328,583,520.30-145,312,430.76

Finding the Fourth Proportional to 238,078,016.04, 328,583,520.30 and 145,312,430.76

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Solution

The fourth proportional to 238,078,016.04, 328,583,520.30 and 145,312,430.76 is: 200,553,040.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,078,016.04 : 328,583,520.30 = 145,312,430.76 : x
  2. Step 2: Convert to fraction form
    238,078,016.04/328,583,520.30 = 145,312,430.76/x
  3. Step 3: Cross multiply
    238,078,016.04x = 328,583,520.30 × 145,312,430.76
  4. Step 4: Simplify right side
    238,078,016.04x = 47,747,270,042,470,800
  5. Step 5: Solve for x
    x = 47,747,270,042,470,800/238,078,016.04
  6. Step 6: Final answer
    x = 200,553,040.71

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.