Home / 137,554,407.32-189,826,314.98-74,831,871.98

Finding the Fourth Proportional to 137,554,407.32, 189,826,314.98 and 74,831,871.98

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Solution

The fourth proportional to 137,554,407.32, 189,826,314.98 and 74,831,871.98 is: 103,268,654.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,554,407.32 : 189,826,314.98 = 74,831,871.98 : x
  2. Step 2: Convert to fraction form
    137,554,407.32/189,826,314.98 = 74,831,871.98/x
  3. Step 3: Cross multiply
    137,554,407.32x = 189,826,314.98 × 74,831,871.98
  4. Step 4: Simplify right side
    137,554,407.32x = 14,205,058,501,594,970
  5. Step 5: Solve for x
    x = 14,205,058,501,594,970/137,554,407.32
  6. Step 6: Final answer
    x = 103,268,654.04

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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.