Home / 72,301,285.60-99,738,879.92-46,168,326.88

Finding the Fourth Proportional to 72,301,285.60, 99,738,879.92 and 46,168,326.88

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Solution

The fourth proportional to 72,301,285.60, 99,738,879.92 and 46,168,326.88 is: 63,688,732.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,301,285.60 : 99,738,879.92 = 46,168,326.88 : x
  2. Step 2: Convert to fraction form
    72,301,285.60/99,738,879.92 = 46,168,326.88/x
  3. Step 3: Cross multiply
    72,301,285.60x = 99,738,879.92 × 46,168,326.88
  4. Step 4: Simplify right side
    72,301,285.60x = 4,604,777,210,791,629
  5. Step 5: Solve for x
    x = 4,604,777,210,791,629/72,301,285.60
  6. Step 6: Final answer
    x = 63,688,732.12

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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.