Home / 118,580,075.52-163,510,558.08-77,250,324.48

Finding the Fourth Proportional to 118,580,075.52, 163,510,558.08 and 77,250,324.48

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Solution

The fourth proportional to 118,580,075.52, 163,510,558.08 and 77,250,324.48 is: 106,520,792.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,580,075.52 : 163,510,558.08 = 77,250,324.48 : x
  2. Step 2: Convert to fraction form
    118,580,075.52/163,510,558.08 = 77,250,324.48/x
  3. Step 3: Cross multiply
    118,580,075.52x = 163,510,558.08 × 77,250,324.48
  4. Step 4: Simplify right side
    118,580,075.52x = 12,631,243,667,585,888
  5. Step 5: Solve for x
    x = 12,631,243,667,585,888/118,580,075.52
  6. Step 6: Final answer
    x = 106,520,792.91

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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.