Home / 77,017,433.71-115,563,517.58-33,881,032.15

Finding the Fourth Proportional to 77,017,433.71, 115,563,517.58 and 33,881,032.15

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Solution

The fourth proportional to 77,017,433.71, 115,563,517.58 and 33,881,032.15 is: 50,837,986.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,017,433.71 : 115,563,517.58 = 33,881,032.15 : x
  2. Step 2: Convert to fraction form
    77,017,433.71/115,563,517.58 = 33,881,032.15/x
  3. Step 3: Cross multiply
    77,017,433.71x = 115,563,517.58 × 33,881,032.15
  4. Step 4: Simplify right side
    77,017,433.71x = 3,915,411,254,495,070
  5. Step 5: Solve for x
    x = 3,915,411,254,495,070/77,017,433.71
  6. Step 6: Final answer
    x = 50,837,986.49

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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.