Home / 189,512,981.60-284,482,048.80-146,572,548.80

Finding the Fourth Proportional to 189,512,981.60, 284,482,048.80 and 146,572,548.80

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Solution

The fourth proportional to 189,512,981.60, 284,482,048.80 and 146,572,548.80 is: 220,023,233.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,512,981.60 : 284,482,048.80 = 146,572,548.80 : x
  2. Step 2: Convert to fraction form
    189,512,981.60/284,482,048.80 = 146,572,548.80/x
  3. Step 3: Cross multiply
    189,512,981.60x = 284,482,048.80 × 146,572,548.80
  4. Step 4: Simplify right side
    189,512,981.60x = 41,697,258,980,461,984
  5. Step 5: Solve for x
    x = 41,697,258,980,461,984/189,512,981.60
  6. Step 6: Final answer
    x = 220,023,233.39

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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.