Home / 77,184,001.80-115,776,002.70-46,901,147.40

Finding the Fourth Proportional to 77,184,001.80, 115,776,002.70 and 46,901,147.40

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Solution

The fourth proportional to 77,184,001.80, 115,776,002.70 and 46,901,147.40 is: 70,351,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,184,001.80 : 115,776,002.70 = 46,901,147.40 : x
  2. Step 2: Convert to fraction form
    77,184,001.80/115,776,002.70 = 46,901,147.40/x
  3. Step 3: Cross multiply
    77,184,001.80x = 115,776,002.70 × 46,901,147.40
  4. Step 4: Simplify right side
    77,184,001.80x = 5,430,027,368,015,498
  5. Step 5: Solve for x
    x = 5,430,027,368,015,498/77,184,001.80
  6. Step 6: Final answer
    x = 70,351,721.10

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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.