Home / 85,751,417.51-128,626,871.77-24,340,628.20

Finding the Fourth Proportional to 85,751,417.51, 128,626,871.77 and 24,340,628.20

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Solution

The fourth proportional to 85,751,417.51, 128,626,871.77 and 24,340,628.20 is: 36,510,870.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,751,417.51 : 128,626,871.77 = 24,340,628.20 : x
  2. Step 2: Convert to fraction form
    85,751,417.51/128,626,871.77 = 24,340,628.20/x
  3. Step 3: Cross multiply
    85,751,417.51x = 128,626,871.77 × 24,340,628.20
  4. Step 4: Simplify right side
    85,751,417.51x = 3,130,858,862,282,645.50
  5. Step 5: Solve for x
    x = 3,130,858,862,282,645.50/85,751,417.51
  6. Step 6: Final answer
    x = 36,510,870.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.