Home / 154,549,590.80-231,824,386.20-69,614,934.80

Finding the Fourth Proportional to 154,549,590.80, 231,824,386.20 and 69,614,934.80

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Solution

The fourth proportional to 154,549,590.80, 231,824,386.20 and 69,614,934.80 is: 104,422,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,549,590.80 : 231,824,386.20 = 69,614,934.80 : x
  2. Step 2: Convert to fraction form
    154,549,590.80/231,824,386.20 = 69,614,934.80/x
  3. Step 3: Cross multiply
    154,549,590.80x = 231,824,386.20 × 69,614,934.80
  4. Step 4: Simplify right side
    154,549,590.80x = 16,138,439,530,363,018
  5. Step 5: Solve for x
    x = 16,138,439,530,363,018/154,549,590.80
  6. Step 6: Final answer
    x = 104,422,402.20

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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.