Home / 76,626,304.08-105,730,376.46-45,269,458.32

Finding the Fourth Proportional to 76,626,304.08, 105,730,376.46 and 45,269,458.32

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Solution

The fourth proportional to 76,626,304.08, 105,730,376.46 and 45,269,458.32 is: 62,463,626.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,626,304.08 : 105,730,376.46 = 45,269,458.32 : x
  2. Step 2: Convert to fraction form
    76,626,304.08/105,730,376.46 = 45,269,458.32/x
  3. Step 3: Cross multiply
    76,626,304.08x = 105,730,376.46 × 45,269,458.32
  4. Step 4: Simplify right side
    76,626,304.08x = 4,786,356,870,313,879
  5. Step 5: Solve for x
    x = 4,786,356,870,313,879/76,626,304.08
  6. Step 6: Final answer
    x = 62,463,626.92

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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.