Home / 55,509,647.12-83,312,300.34-38,482,277.48

Finding the Fourth Proportional to 55,509,647.12, 83,312,300.34 and 38,482,277.48

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Solution

The fourth proportional to 55,509,647.12, 83,312,300.34 and 38,482,277.48 is: 57,756,574.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,509,647.12 : 83,312,300.34 = 38,482,277.48 : x
  2. Step 2: Convert to fraction form
    55,509,647.12/83,312,300.34 = 38,482,277.48/x
  3. Step 3: Cross multiply
    55,509,647.12x = 83,312,300.34 × 38,482,277.48
  4. Step 4: Simplify right side
    55,509,647.12x = 3,206,047,059,180,978
  5. Step 5: Solve for x
    x = 3,206,047,059,180,978/55,509,647.12
  6. Step 6: Final answer
    x = 57,756,574.32

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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.