Home / 151,973,382.40-209,723,447.10-82,358,762.92

Finding the Fourth Proportional to 151,973,382.40, 209,723,447.10 and 82,358,762.92

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Solution

The fourth proportional to 151,973,382.40, 209,723,447.10 and 82,358,762.92 is: 113,655,190.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,973,382.40 : 209,723,447.10 = 82,358,762.92 : x
  2. Step 2: Convert to fraction form
    151,973,382.40/209,723,447.10 = 82,358,762.92/x
  3. Step 3: Cross multiply
    151,973,382.40x = 209,723,447.10 × 82,358,762.92
  4. Step 4: Simplify right side
    151,973,382.40x = 17,272,563,658,474,062
  5. Step 5: Solve for x
    x = 17,272,563,658,474,062/151,973,382.40
  6. Step 6: Final answer
    x = 113,655,190.05

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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.