Home / 111,378,573.98-153,699,312.75-61,142,784.65

Finding the Fourth Proportional to 111,378,573.98, 153,699,312.75 and 61,142,784.65

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Solution

The fourth proportional to 111,378,573.98, 153,699,312.75 and 61,142,784.65 is: 84,375,330.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,378,573.98 : 153,699,312.75 = 61,142,784.65 : x
  2. Step 2: Convert to fraction form
    111,378,573.98/153,699,312.75 = 61,142,784.65/x
  3. Step 3: Cross multiply
    111,378,573.98x = 153,699,312.75 × 61,142,784.65
  4. Step 4: Simplify right side
    111,378,573.98x = 9,397,603,980,326,250
  5. Step 5: Solve for x
    x = 9,397,603,980,326,250/111,378,573.98
  6. Step 6: Final answer
    x = 84,375,330.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.