Home / 56,272,071.30-77,655,458.40-30,517,959.30

Finding the Fourth Proportional to 56,272,071.30, 77,655,458.40 and 30,517,959.30

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Solution

The fourth proportional to 56,272,071.30, 77,655,458.40 and 30,517,959.30 is: 42,114,783.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,272,071.30 : 77,655,458.40 = 30,517,959.30 : x
  2. Step 2: Convert to fraction form
    56,272,071.30/77,655,458.40 = 30,517,959.30/x
  3. Step 3: Cross multiply
    56,272,071.30x = 77,655,458.40 × 30,517,959.30
  4. Step 4: Simplify right side
    56,272,071.30x = 2,369,886,118,874,043.50
  5. Step 5: Solve for x
    x = 2,369,886,118,874,043.50/56,272,071.30
  6. Step 6: Final answer
    x = 42,114,783.84

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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.