Home / 111,116,428.44-153,350,087.72-61,572,342.99

Finding the Fourth Proportional to 111,116,428.44, 153,350,087.72 and 61,572,342.99

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Solution

The fourth proportional to 111,116,428.44, 153,350,087.72 and 61,572,342.99 is: 84,975,051.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,116,428.44 : 153,350,087.72 = 61,572,342.99 : x
  2. Step 2: Convert to fraction form
    111,116,428.44/153,350,087.72 = 61,572,342.99/x
  3. Step 3: Cross multiply
    111,116,428.44x = 153,350,087.72 × 61,572,342.99
  4. Step 4: Simplify right side
    111,116,428.44x = 9,442,124,199,073,200
  5. Step 5: Solve for x
    x = 9,442,124,199,073,200/111,116,428.44
  6. Step 6: Final answer
    x = 84,975,051.23

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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.