Home / 52,488,085.80-78,732,128.70-46,323,370.20

Finding the Fourth Proportional to 52,488,085.80, 78,732,128.70 and 46,323,370.20

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Solution

The fourth proportional to 52,488,085.80, 78,732,128.70 and 46,323,370.20 is: 69,485,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,085.80 : 78,732,128.70 = 46,323,370.20 : x
  2. Step 2: Convert to fraction form
    52,488,085.80/78,732,128.70 = 46,323,370.20/x
  3. Step 3: Cross multiply
    52,488,085.80x = 78,732,128.70 × 46,323,370.20
  4. Step 4: Simplify right side
    52,488,085.80x = 3,647,137,544,404,145
  5. Step 5: Solve for x
    x = 3,647,137,544,404,145/52,488,085.80
  6. Step 6: Final answer
    x = 69,485,055.30

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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.