Home / 55,920,639.32-77,130,729.96-37,326,404.42

Finding the Fourth Proportional to 55,920,639.32, 77,130,729.96 and 37,326,404.42

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Solution

The fourth proportional to 55,920,639.32, 77,130,729.96 and 37,326,404.42 is: 51,483,903.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,920,639.32 : 77,130,729.96 = 37,326,404.42 : x
  2. Step 2: Convert to fraction form
    55,920,639.32/77,130,729.96 = 37,326,404.42/x
  3. Step 3: Cross multiply
    55,920,639.32x = 77,130,729.96 × 37,326,404.42
  4. Step 4: Simplify right side
    55,920,639.32x = 2,879,012,819,696,770.50
  5. Step 5: Solve for x
    x = 2,879,012,819,696,770.50/55,920,639.32
  6. Step 6: Final answer
    x = 51,483,903.88

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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.