Home / 53,290,256.40-73,540,774.80-28,843,970.40

Finding the Fourth Proportional to 53,290,256.40, 73,540,774.80 and 28,843,970.40

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Solution

The fourth proportional to 53,290,256.40, 73,540,774.80 and 28,843,970.40 is: 39,804,798.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,290,256.40 : 73,540,774.80 = 28,843,970.40 : x
  2. Step 2: Convert to fraction form
    53,290,256.40/73,540,774.80 = 28,843,970.40/x
  3. Step 3: Cross multiply
    53,290,256.40x = 73,540,774.80 × 28,843,970.40
  4. Step 4: Simplify right side
    53,290,256.40x = 2,121,207,931,524,265.75
  5. Step 5: Solve for x
    x = 2,121,207,931,524,265.75/53,290,256.40
  6. Step 6: Final answer
    x = 39,804,798.75

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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.