Home / 90,855,276.53-136,282,914.79-54,575,570.93

Finding the Fourth Proportional to 90,855,276.53, 136,282,914.79 and 54,575,570.93

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Solution

The fourth proportional to 90,855,276.53, 136,282,914.79 and 54,575,570.93 is: 81,863,356.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,855,276.53 : 136,282,914.79 = 54,575,570.93 : x
  2. Step 2: Convert to fraction form
    90,855,276.53/136,282,914.79 = 54,575,570.93/x
  3. Step 3: Cross multiply
    90,855,276.53x = 136,282,914.79 × 54,575,570.93
  4. Step 4: Simplify right side
    90,855,276.53x = 7,437,717,881,850,937
  5. Step 5: Solve for x
    x = 7,437,717,881,850,937/90,855,276.53
  6. Step 6: Final answer
    x = 81,863,356.39

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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.