Home / 102,237,474.88-153,242,619.54-77,896,153.90

Finding the Fourth Proportional to 102,237,474.88, 153,242,619.54 and 77,896,153.90

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Solution

The fourth proportional to 102,237,474.88, 153,242,619.54 and 77,896,153.90 is: 116,757,682.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,237,474.88 : 153,242,619.54 = 77,896,153.90 : x
  2. Step 2: Convert to fraction form
    102,237,474.88/153,242,619.54 = 77,896,153.90/x
  3. Step 3: Cross multiply
    102,237,474.88x = 153,242,619.54 × 77,896,153.90
  4. Step 4: Simplify right side
    102,237,474.88x = 11,937,010,675,726,988
  5. Step 5: Solve for x
    x = 11,937,010,675,726,988/102,237,474.88
  6. Step 6: Final answer
    x = 116,757,682.93

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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.