Home / 123,037,746.80-184,574,969.06-45,308,672.19

Finding the Fourth Proportional to 123,037,746.80, 184,574,969.06 and 45,308,672.19

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Solution

The fourth proportional to 123,037,746.80, 184,574,969.06 and 45,308,672.19 is: 67,969,765.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,037,746.80 : 184,574,969.06 = 45,308,672.19 : x
  2. Step 2: Convert to fraction form
    123,037,746.80/184,574,969.06 = 45,308,672.19/x
  3. Step 3: Cross multiply
    123,037,746.80x = 184,574,969.06 × 45,308,672.19
  4. Step 4: Simplify right side
    123,037,746.80x = 8,362,846,767,392,389
  5. Step 5: Solve for x
    x = 8,362,846,767,392,389/123,037,746.80
  6. Step 6: Final answer
    x = 67,969,765.26

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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.