Home / 136,196,114.61-187,955,174.34-74,319,848.49

Finding the Fourth Proportional to 136,196,114.61, 187,955,174.34 and 74,319,848.49

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Solution

The fourth proportional to 136,196,114.61, 187,955,174.34 and 74,319,848.49 is: 102,563,866.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,196,114.61 : 187,955,174.34 = 74,319,848.49 : x
  2. Step 2: Convert to fraction form
    136,196,114.61/187,955,174.34 = 74,319,848.49/x
  3. Step 3: Cross multiply
    136,196,114.61x = 187,955,174.34 × 74,319,848.49
  4. Step 4: Simplify right side
    136,196,114.61x = 13,968,800,079,860,336
  5. Step 5: Solve for x
    x = 13,968,800,079,860,336/136,196,114.61
  6. Step 6: Final answer
    x = 102,563,866.23

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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.