Home / 55,685,033.04-76,845,870.12-31,239,271.92

Finding the Fourth Proportional to 55,685,033.04, 76,845,870.12 and 31,239,271.92

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Solution

The fourth proportional to 55,685,033.04, 76,845,870.12 and 31,239,271.92 is: 43,110,489.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,685,033.04 : 76,845,870.12 = 31,239,271.92 : x
  2. Step 2: Convert to fraction form
    55,685,033.04/76,845,870.12 = 31,239,271.92/x
  3. Step 3: Cross multiply
    55,685,033.04x = 76,845,870.12 × 31,239,271.92
  4. Step 4: Simplify right side
    55,685,033.04x = 2,400,609,032,607,683.50
  5. Step 5: Solve for x
    x = 2,400,609,032,607,683.50/55,685,033.04
  6. Step 6: Final answer
    x = 43,110,489.51

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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.