Home / 66,237,375.60-91,407,582.72-36,868,075.92

Finding the Fourth Proportional to 66,237,375.60, 91,407,582.72 and 36,868,075.92

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Solution

The fourth proportional to 66,237,375.60, 91,407,582.72 and 36,868,075.92 is: 50,877,947.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,237,375.60 : 91,407,582.72 = 36,868,075.92 : x
  2. Step 2: Convert to fraction form
    66,237,375.60/91,407,582.72 = 36,868,075.92/x
  3. Step 3: Cross multiply
    66,237,375.60x = 91,407,582.72 × 36,868,075.92
  4. Step 4: Simplify right side
    66,237,375.60x = 3,370,021,699,384,640
  5. Step 5: Solve for x
    x = 3,370,021,699,384,640/66,237,375.60
  6. Step 6: Final answer
    x = 50,877,947.21

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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.