Home / 55,451,384.90-76,517,775.80-30,671,038.50

Finding the Fourth Proportional to 55,451,384.90, 76,517,775.80 and 30,671,038.50

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Solution

The fourth proportional to 55,451,384.90, 76,517,775.80 and 30,671,038.50 is: 42,323,192.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,451,384.90 : 76,517,775.80 = 30,671,038.50 : x
  2. Step 2: Convert to fraction form
    55,451,384.90/76,517,775.80 = 30,671,038.50/x
  3. Step 3: Cross multiply
    55,451,384.90x = 76,517,775.80 × 30,671,038.50
  4. Step 4: Simplify right side
    55,451,384.90x = 2,346,879,647,170,888
  5. Step 5: Solve for x
    x = 2,346,879,647,170,888/55,451,384.90
  6. Step 6: Final answer
    x = 42,323,192.68

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1.5x scale

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.