Home / 284,013,585.21-391,908,889.84-164,912,896.28

Finding the Fourth Proportional to 284,013,585.21, 391,908,889.84 and 164,912,896.28

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Solution

The fourth proportional to 284,013,585.21, 391,908,889.84 and 164,912,896.28 is: 227,562,459.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,013,585.21 : 391,908,889.84 = 164,912,896.28 : x
  2. Step 2: Convert to fraction form
    284,013,585.21/391,908,889.84 = 164,912,896.28/x
  3. Step 3: Cross multiply
    284,013,585.21x = 391,908,889.84 × 164,912,896.28
  4. Step 4: Simplify right side
    284,013,585.21x = 64,630,830,102,373,632
  5. Step 5: Solve for x
    x = 64,630,830,102,373,632/284,013,585.21
  6. Step 6: Final answer
    x = 227,562,459.93

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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.