Home / 53,053,897.68-79,559,016.21-20,276,572.95

Finding the Fourth Proportional to 53,053,897.68, 79,559,016.21 and 20,276,572.95

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Solution

The fourth proportional to 53,053,897.68, 79,559,016.21 and 20,276,572.95 is: 30,406,516.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,053,897.68 : 79,559,016.21 = 20,276,572.95 : x
  2. Step 2: Convert to fraction form
    53,053,897.68/79,559,016.21 = 20,276,572.95/x
  3. Step 3: Cross multiply
    53,053,897.68x = 79,559,016.21 × 20,276,572.95
  4. Step 4: Simplify right side
    53,053,897.68x = 1,613,184,196,012,297.25
  5. Step 5: Solve for x
    x = 1,613,184,196,012,297.25/53,053,897.68
  6. Step 6: Final answer
    x = 30,406,516.14

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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.