Home / 127,939,631.60-191,909,447.40-46,071,145.55

Finding the Fourth Proportional to 127,939,631.60, 191,909,447.40 and 46,071,145.55

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Solution

The fourth proportional to 127,939,631.60, 191,909,447.40 and 46,071,145.55 is: 69,106,718.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,939,631.60 : 191,909,447.40 = 46,071,145.55 : x
  2. Step 2: Convert to fraction form
    127,939,631.60/191,909,447.40 = 46,071,145.55/x
  3. Step 3: Cross multiply
    127,939,631.60x = 191,909,447.40 × 46,071,145.55
  4. Step 4: Simplify right side
    127,939,631.60x = 8,841,488,083,585,469
  5. Step 5: Solve for x
    x = 8,841,488,083,585,469/127,939,631.60
  6. Step 6: Final answer
    x = 69,106,718.33

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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.