Home / 72,301,318.08-99,738,924.72-46,168,359.36

Finding the Fourth Proportional to 72,301,318.08, 99,738,924.72 and 46,168,359.36

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Solution

The fourth proportional to 72,301,318.08, 99,738,924.72 and 46,168,359.36 is: 63,688,776.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,301,318.08 : 99,738,924.72 = 46,168,359.36 : x
  2. Step 2: Convert to fraction form
    72,301,318.08/99,738,924.72 = 46,168,359.36/x
  3. Step 3: Cross multiply
    72,301,318.08x = 99,738,924.72 × 46,168,359.36
  4. Step 4: Simplify right side
    72,301,318.08x = 4,604,782,518,652,947
  5. Step 5: Solve for x
    x = 4,604,782,518,652,947/72,301,318.08
  6. Step 6: Final answer
    x = 63,688,776.93

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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.