Home / 86,928,119.36-119,910,852-54,276,384.32

Finding the Fourth Proportional to 86,928,119.36, 119,910,852 and 54,276,384.32

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Solution

The fourth proportional to 86,928,119.36, 119,910,852 and 54,276,384.32 is: 74,870,220.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,928,119.36 : 119,910,852 = 54,276,384.32 : x
  2. Step 2: Convert to fraction form
    86,928,119.36/119,910,852 = 54,276,384.32/x
  3. Step 3: Cross multiply
    86,928,119.36x = 119,910,852 × 54,276,384.32
  4. Step 4: Simplify right side
    86,928,119.36x = 6,508,327,487,290,641
  5. Step 5: Solve for x
    x = 6,508,327,487,290,641/86,928,119.36
  6. Step 6: Final answer
    x = 74,870,220.77

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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.