Home / 284,256,155.79-392,276,199.24-166,783,484.70

Finding the Fourth Proportional to 284,256,155.79, 392,276,199.24 and 166,783,484.70

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Solution

The fourth proportional to 284,256,155.79, 392,276,199.24 and 166,783,484.70 is: 230,162,795.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,256,155.79 : 392,276,199.24 = 166,783,484.70 : x
  2. Step 2: Convert to fraction form
    284,256,155.79/392,276,199.24 = 166,783,484.70/x
  3. Step 3: Cross multiply
    284,256,155.79x = 392,276,199.24 × 166,783,484.70
  4. Step 4: Simplify right side
    284,256,155.79x = 65,425,191,474,118,688
  5. Step 5: Solve for x
    x = 65,425,191,474,118,688/284,256,155.79
  6. Step 6: Final answer
    x = 230,162,795.57

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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.