Home / 56,166,438.40-84,249,657.60-13,616,166.40

Finding the Fourth Proportional to 56,166,438.40, 84,249,657.60 and 13,616,166.40

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Solution

The fourth proportional to 56,166,438.40, 84,249,657.60 and 13,616,166.40 is: 20,424,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,166,438.40 : 84,249,657.60 = 13,616,166.40 : x
  2. Step 2: Convert to fraction form
    56,166,438.40/84,249,657.60 = 13,616,166.40/x
  3. Step 3: Cross multiply
    56,166,438.40x = 84,249,657.60 × 13,616,166.40
  4. Step 4: Simplify right side
    56,166,438.40x = 1,147,157,357,024,624.50
  5. Step 5: Solve for x
    x = 1,147,157,357,024,624.50/56,166,438.40
  6. Step 6: Final answer
    x = 20,424,249.60

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Similar ratio
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1.5x scale

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.