Home / 118,928,146.20-178,339,075.20-46,120,729.20

Finding the Fourth Proportional to 118,928,146.20, 178,339,075.20 and 46,120,729.20

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Solution

The fourth proportional to 118,928,146.20, 178,339,075.20 and 46,120,729.20 is: 69,160,484.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,928,146.20 : 178,339,075.20 = 46,120,729.20 : x
  2. Step 2: Convert to fraction form
    118,928,146.20/178,339,075.20 = 46,120,729.20/x
  3. Step 3: Cross multiply
    118,928,146.20x = 178,339,075.20 × 46,120,729.20
  4. Step 4: Simplify right side
    118,928,146.20x = 8,225,128,193,077,636
  5. Step 5: Solve for x
    x = 8,225,128,193,077,636/118,928,146.20
  6. Step 6: Final answer
    x = 69,160,484.34

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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.