Home / 131,563,563.20-197,345,344.80-90,748,894.40

Finding the Fourth Proportional to 131,563,563.20, 197,345,344.80 and 90,748,894.40

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Solution

The fourth proportional to 131,563,563.20, 197,345,344.80 and 90,748,894.40 is: 136,123,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,563,563.20 : 197,345,344.80 = 90,748,894.40 : x
  2. Step 2: Convert to fraction form
    131,563,563.20/197,345,344.80 = 90,748,894.40/x
  3. Step 3: Cross multiply
    131,563,563.20x = 197,345,344.80 × 90,748,894.40
  4. Step 4: Simplify right side
    131,563,563.20x = 17,908,871,855,586,792
  5. Step 5: Solve for x
    x = 17,908,871,855,586,792/131,563,563.20
  6. Step 6: Final answer
    x = 136,123,341.60

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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.