Home / 105,125,810.31-157,787,640.77-53,347,587.39

Finding the Fourth Proportional to 105,125,810.31, 157,787,640.77 and 53,347,587.39

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Solution

The fourth proportional to 105,125,810.31, 157,787,640.77 and 53,347,587.39 is: 80,071,582.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,125,810.31 : 157,787,640.77 = 53,347,587.39 : x
  2. Step 2: Convert to fraction form
    105,125,810.31/157,787,640.77 = 53,347,587.39/x
  3. Step 3: Cross multiply
    105,125,810.31x = 157,787,640.77 × 53,347,587.39
  4. Step 4: Simplify right side
    105,125,810.31x = 8,417,589,954,772,763
  5. Step 5: Solve for x
    x = 8,417,589,954,772,763/105,125,810.31
  6. Step 6: Final answer
    x = 80,071,582.14

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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.