Home / 58,074,743.04-87,112,116.80-21,685,974.72

Finding the Fourth Proportional to 58,074,743.04, 87,112,116.80 and 21,685,974.72

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Solution

The fourth proportional to 58,074,743.04, 87,112,116.80 and 21,685,974.72 is: 32,528,962.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,074,743.04 : 87,112,116.80 = 21,685,974.72 : x
  2. Step 2: Convert to fraction form
    58,074,743.04/87,112,116.80 = 21,685,974.72/x
  3. Step 3: Cross multiply
    58,074,743.04x = 87,112,116.80 × 21,685,974.72
  4. Step 4: Simplify right side
    58,074,743.04x = 1,889,111,162,730,487.25
  5. Step 5: Solve for x
    x = 1,889,111,162,730,487.25/58,074,743.04
  6. Step 6: Final answer
    x = 32,528,962.92

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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.