Home / 111,769,346.15-154,238,878.60-61,533,063.22

Finding the Fourth Proportional to 111,769,346.15, 154,238,878.60 and 61,533,063.22

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Solution

The fourth proportional to 111,769,346.15, 154,238,878.60 and 61,533,063.22 is: 84,914,075.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,769,346.15 : 154,238,878.60 = 61,533,063.22 : x
  2. Step 2: Convert to fraction form
    111,769,346.15/154,238,878.60 = 61,533,063.22/x
  3. Step 3: Cross multiply
    111,769,346.15x = 154,238,878.60 × 61,533,063.22
  4. Step 4: Simplify right side
    111,769,346.15x = 9,490,790,668,242,716
  5. Step 5: Solve for x
    x = 9,490,790,668,242,716/111,769,346.15
  6. Step 6: Final answer
    x = 84,914,075.23

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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.