Home / 72,301,285.73-99,738,880.12-46,168,327.01

Finding the Fourth Proportional to 72,301,285.73, 99,738,880.12 and 46,168,327.01

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Solution

The fourth proportional to 72,301,285.73, 99,738,880.12 and 46,168,327.01 is: 63,688,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,301,285.73 : 99,738,880.12 = 46,168,327.01 : x
  2. Step 2: Convert to fraction form
    72,301,285.73/99,738,880.12 = 46,168,327.01/x
  3. Step 3: Cross multiply
    72,301,285.73x = 99,738,880.12 × 46,168,327.01
  4. Step 4: Simplify right side
    72,301,285.73x = 4,604,777,232,608,075
  5. Step 5: Solve for x
    x = 4,604,777,232,608,075/72,301,285.73
  6. Step 6: Final answer
    x = 63,688,732.32

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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.