Home / 56,772,716.95-85,159,075.53-13,641,920.38

Finding the Fourth Proportional to 56,772,716.95, 85,159,075.53 and 13,641,920.38

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Solution

The fourth proportional to 56,772,716.95, 85,159,075.53 and 13,641,920.38 is: 20,462,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,772,716.95 : 85,159,075.53 = 13,641,920.38 : x
  2. Step 2: Convert to fraction form
    56,772,716.95/85,159,075.53 = 13,641,920.38/x
  3. Step 3: Cross multiply
    56,772,716.95x = 85,159,075.53 × 13,641,920.38
  4. Step 4: Simplify right side
    56,772,716.95x = 1,161,733,328,172,272.25
  5. Step 5: Solve for x
    x = 1,161,733,328,172,272.25/56,772,716.95
  6. Step 6: Final answer
    x = 20,462,880.60

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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.