Home / 122,477,423.72-169,018,548.80-66,723,302.28

Finding the Fourth Proportional to 122,477,423.72, 169,018,548.80 and 66,723,302.28

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Solution

The fourth proportional to 122,477,423.72, 169,018,548.80 and 66,723,302.28 is: 92,077,995.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,477,423.72 : 169,018,548.80 = 66,723,302.28 : x
  2. Step 2: Convert to fraction form
    122,477,423.72/169,018,548.80 = 66,723,302.28/x
  3. Step 3: Cross multiply
    122,477,423.72x = 169,018,548.80 × 66,723,302.28
  4. Step 4: Simplify right side
    122,477,423.72x = 11,277,475,722,509,332
  5. Step 5: Solve for x
    x = 11,277,475,722,509,332/122,477,423.72
  6. Step 6: Final answer
    x = 92,077,995.93

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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.