Home / 122,088,138.80-183,132,208.20-105,648,897.20

Finding the Fourth Proportional to 122,088,138.80, 183,132,208.20 and 105,648,897.20

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Solution

The fourth proportional to 122,088,138.80, 183,132,208.20 and 105,648,897.20 is: 158,473,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,088,138.80 : 183,132,208.20 = 105,648,897.20 : x
  2. Step 2: Convert to fraction form
    122,088,138.80/183,132,208.20 = 105,648,897.20/x
  3. Step 3: Cross multiply
    122,088,138.80x = 183,132,208.20 × 105,648,897.20
  4. Step 4: Simplify right side
    122,088,138.80x = 19,347,715,838,130,796
  5. Step 5: Solve for x
    x = 19,347,715,838,130,796/122,088,138.80
  6. Step 6: Final answer
    x = 158,473,345.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.