Home / 122,459,967.90-183,438,009.45-61,909,811.10

Finding the Fourth Proportional to 122,459,967.90, 183,438,009.45 and 61,909,811.10

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Solution

The fourth proportional to 122,459,967.90, 183,438,009.45 and 61,909,811.10 is: 92,737,346.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,459,967.90 : 183,438,009.45 = 61,909,811.10 : x
  2. Step 2: Convert to fraction form
    122,459,967.90/183,438,009.45 = 61,909,811.10/x
  3. Step 3: Cross multiply
    122,459,967.90x = 183,438,009.45 × 61,909,811.10
  4. Step 4: Simplify right side
    122,459,967.90x = 11,356,612,513,609,514
  5. Step 5: Solve for x
    x = 11,356,612,513,609,514/122,459,967.90
  6. Step 6: Final answer
    x = 92,737,346.81

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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.