Home / 77,240,244.38-115,851,187.69-25,411,994.08

Finding the Fourth Proportional to 77,240,244.38, 115,851,187.69 and 25,411,994.08

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Solution

The fourth proportional to 77,240,244.38, 115,851,187.69 and 25,411,994.08 is: 38,114,971.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,240,244.38 : 115,851,187.69 = 25,411,994.08 : x
  2. Step 2: Convert to fraction form
    77,240,244.38/115,851,187.69 = 25,411,994.08/x
  3. Step 3: Cross multiply
    77,240,244.38x = 115,851,187.69 × 25,411,994.08
  4. Step 4: Simplify right side
    77,240,244.38x = 2,944,009,695,386,091
  5. Step 5: Solve for x
    x = 2,944,009,695,386,091/77,240,244.38
  6. Step 6: Final answer
    x = 38,114,971.27

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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.