Home / 105,009,406.40-157,230,674.40-82,334,590.40

Finding the Fourth Proportional to 105,009,406.40, 157,230,674.40 and 82,334,590.40

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Solution

The fourth proportional to 105,009,406.40, 157,230,674.40 and 82,334,590.40 is: 123,279,652.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,009,406.40 : 157,230,674.40 = 82,334,590.40 : x
  2. Step 2: Convert to fraction form
    105,009,406.40/157,230,674.40 = 82,334,590.40/x
  3. Step 3: Cross multiply
    105,009,406.40x = 157,230,674.40 × 82,334,590.40
  4. Step 4: Simplify right side
    105,009,406.40x = 12,945,523,175,039,768
  5. Step 5: Solve for x
    x = 12,945,523,175,039,768/105,009,406.40
  6. Step 6: Final answer
    x = 123,279,652.93

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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.