Home / 111,116,441.70-153,350,106.03-61,572,356.28

Finding the Fourth Proportional to 111,116,441.70, 153,350,106.03 and 61,572,356.28

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Solution

The fourth proportional to 111,116,441.70, 153,350,106.03 and 61,572,356.28 is: 84,975,069.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,116,441.70 : 153,350,106.03 = 61,572,356.28 : x
  2. Step 2: Convert to fraction form
    111,116,441.70/153,350,106.03 = 61,572,356.28/x
  3. Step 3: Cross multiply
    111,116,441.70x = 153,350,106.03 × 61,572,356.28
  4. Step 4: Simplify right side
    111,116,441.70x = 9,442,127,364,054,936
  5. Step 5: Solve for x
    x = 9,442,127,364,054,936/111,116,441.70
  6. Step 6: Final answer
    x = 84,975,069.57

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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.