Home / 102,237,473.88-153,242,618.04-77,896,152.90

Finding the Fourth Proportional to 102,237,473.88, 153,242,618.04 and 77,896,152.90

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Solution

The fourth proportional to 102,237,473.88, 153,242,618.04 and 77,896,152.90 is: 116,757,681.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,237,473.88 : 153,242,618.04 = 77,896,152.90 : x
  2. Step 2: Convert to fraction form
    102,237,473.88/153,242,618.04 = 77,896,152.90/x
  3. Step 3: Cross multiply
    102,237,473.88x = 153,242,618.04 × 77,896,152.90
  4. Step 4: Simplify right side
    102,237,473.88x = 11,937,010,405,640,138
  5. Step 5: Solve for x
    x = 11,937,010,405,640,138/102,237,473.88
  6. Step 6: Final answer
    x = 116,757,681.43

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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.