Home / 151,114,494.60-208,521,923.58-85,033,841.31

Finding the Fourth Proportional to 151,114,494.60, 208,521,923.58 and 85,033,841.31

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Solution

The fourth proportional to 151,114,494.60, 208,521,923.58 and 85,033,841.31 is: 117,337,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,114,494.60 : 208,521,923.58 = 85,033,841.31 : x
  2. Step 2: Convert to fraction form
    151,114,494.60/208,521,923.58 = 85,033,841.31/x
  3. Step 3: Cross multiply
    151,114,494.60x = 208,521,923.58 × 85,033,841.31
  4. Step 4: Simplify right side
    151,114,494.60x = 17,731,420,159,357,668
  5. Step 5: Solve for x
    x = 17,731,420,159,357,668/151,114,494.60
  6. Step 6: Final answer
    x = 117,337,653.19

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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.