Home / 55,366,583.80-83,064,390.90-21,289,041.40

Finding the Fourth Proportional to 55,366,583.80, 83,064,390.90 and 21,289,041.40

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Solution

The fourth proportional to 55,366,583.80, 83,064,390.90 and 21,289,041.40 is: 31,939,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,366,583.80 : 83,064,390.90 = 21,289,041.40 : x
  2. Step 2: Convert to fraction form
    55,366,583.80/83,064,390.90 = 21,289,041.40/x
  3. Step 3: Cross multiply
    55,366,583.80x = 83,064,390.90 × 21,289,041.40
  4. Step 4: Simplify right side
    55,366,583.80x = 1,768,361,256,735,883.25
  5. Step 5: Solve for x
    x = 1,768,361,256,735,883.25/55,366,583.80
  6. Step 6: Final answer
    x = 31,939,143.35

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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.