Home / 124,362,005.40-186,543,008.10-39,250,402.20

Finding the Fourth Proportional to 124,362,005.40, 186,543,008.10 and 39,250,402.20

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Solution

The fourth proportional to 124,362,005.40, 186,543,008.10 and 39,250,402.20 is: 58,875,603.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,362,005.40 : 186,543,008.10 = 39,250,402.20 : x
  2. Step 2: Convert to fraction form
    124,362,005.40/186,543,008.10 = 39,250,402.20/x
  3. Step 3: Cross multiply
    124,362,005.40x = 186,543,008.10 × 39,250,402.20
  4. Step 4: Simplify right side
    124,362,005.40x = 7,321,888,095,522,858
  5. Step 5: Solve for x
    x = 7,321,888,095,522,858/124,362,005.40
  6. Step 6: Final answer
    x = 58,875,603.30

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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.