Home / 128,122,302.07-176,807,896.34-69,383,623.01

Finding the Fourth Proportional to 128,122,302.07, 176,807,896.34 and 69,383,623.01

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Solution

The fourth proportional to 128,122,302.07, 176,807,896.34 and 69,383,623.01 is: 95,748,922.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,122,302.07 : 176,807,896.34 = 69,383,623.01 : x
  2. Step 2: Convert to fraction form
    128,122,302.07/176,807,896.34 = 69,383,623.01/x
  3. Step 3: Cross multiply
    128,122,302.07x = 176,807,896.34 × 69,383,623.01
  4. Step 4: Simplify right side
    128,122,302.07x = 12,267,572,425,106,490
  5. Step 5: Solve for x
    x = 12,267,572,425,106,490/128,122,302.07
  6. Step 6: Final answer
    x = 95,748,922.92

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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.