Home / 70,532,503.78-97,326,041.25-39,166,288.18

Finding the Fourth Proportional to 70,532,503.78, 97,326,041.25 and 39,166,288.18

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Solution

The fourth proportional to 70,532,503.78, 97,326,041.25 and 39,166,288.18 is: 54,044,583.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,532,503.78 : 97,326,041.25 = 39,166,288.18 : x
  2. Step 2: Convert to fraction form
    70,532,503.78/97,326,041.25 = 39,166,288.18/x
  3. Step 3: Cross multiply
    70,532,503.78x = 97,326,041.25 × 39,166,288.18
  4. Step 4: Simplify right side
    70,532,503.78x = 3,811,899,779,016,067.50
  5. Step 5: Solve for x
    x = 3,811,899,779,016,067.50/70,532,503.78
  6. Step 6: Final answer
    x = 54,044,583.34

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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.