Home / 83,781,675.19-115,570,566.48-52,365,201.40

Finding the Fourth Proportional to 83,781,675.19, 115,570,566.48 and 52,365,201.40

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Solution

The fourth proportional to 83,781,675.19, 115,570,566.48 and 52,365,201.40 is: 72,233,886.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,781,675.19 : 115,570,566.48 = 52,365,201.40 : x
  2. Step 2: Convert to fraction form
    83,781,675.19/115,570,566.48 = 52,365,201.40/x
  3. Step 3: Cross multiply
    83,781,675.19x = 115,570,566.48 × 52,365,201.40
  4. Step 4: Simplify right side
    83,781,675.19x = 6,051,875,989,978,122
  5. Step 5: Solve for x
    x = 6,051,875,989,978,122/83,781,675.19
  6. Step 6: Final answer
    x = 72,233,886.19

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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.