Home / 223,758,264.46-308,789,604.03-128,404,312.22

Finding the Fourth Proportional to 223,758,264.46, 308,789,604.03 and 128,404,312.22

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Solution

The fourth proportional to 223,758,264.46, 308,789,604.03 and 128,404,312.22 is: 177,199,786.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,758,264.46 : 308,789,604.03 = 128,404,312.22 : x
  2. Step 2: Convert to fraction form
    223,758,264.46/308,789,604.03 = 128,404,312.22/x
  3. Step 3: Cross multiply
    223,758,264.46x = 308,789,604.03 × 128,404,312.22
  4. Step 4: Simplify right side
    223,758,264.46x = 39,649,916,727,411,776
  5. Step 5: Solve for x
    x = 39,649,916,727,411,776/223,758,264.46
  6. Step 6: Final answer
    x = 177,199,786.67

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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.