Home / 53,009,426.30-79,514,139.45-28,759,970.30

Finding the Fourth Proportional to 53,009,426.30, 79,514,139.45 and 28,759,970.30

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Solution

The fourth proportional to 53,009,426.30, 79,514,139.45 and 28,759,970.30 is: 43,139,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,009,426.30 : 79,514,139.45 = 28,759,970.30 : x
  2. Step 2: Convert to fraction form
    53,009,426.30/79,514,139.45 = 28,759,970.30/x
  3. Step 3: Cross multiply
    53,009,426.30x = 79,514,139.45 × 28,759,970.30
  4. Step 4: Simplify right side
    53,009,426.30x = 2,286,824,289,012,058.50
  5. Step 5: Solve for x
    x = 2,286,824,289,012,058.50/53,009,426.30
  6. Step 6: Final answer
    x = 43,139,955.45

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Double scale
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Similar ratio
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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.