Home / 89,205,516.12-122,874,242.29-63,055,075.98

Finding the Fourth Proportional to 89,205,516.12, 122,874,242.29 and 63,055,075.98

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Solution

The fourth proportional to 89,205,516.12, 122,874,242.29 and 63,055,075.98 is: 86,853,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,205,516.12 : 122,874,242.29 = 63,055,075.98 : x
  2. Step 2: Convert to fraction form
    89,205,516.12/122,874,242.29 = 63,055,075.98/x
  3. Step 3: Cross multiply
    89,205,516.12x = 122,874,242.29 × 63,055,075.98
  4. Step 4: Simplify right side
    89,205,516.12x = 7,747,844,683,580,879
  5. Step 5: Solve for x
    x = 7,747,844,683,580,879/89,205,516.12
  6. Step 6: Final answer
    x = 86,853,874.30

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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.