Home / 42,372,450.60-63,566,970.30-18,111,330.60

Finding the Fourth Proportional to 42,372,450.60, 63,566,970.30 and 18,111,330.60

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Solution

The fourth proportional to 42,372,450.60, 63,566,970.30 and 18,111,330.60 is: 27,170,541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,372,450.60 : 63,566,970.30 = 18,111,330.60 : x
  2. Step 2: Convert to fraction form
    42,372,450.60/63,566,970.30 = 18,111,330.60/x
  3. Step 3: Cross multiply
    42,372,450.60x = 63,566,970.30 × 18,111,330.60
  4. Step 4: Simplify right side
    42,372,450.60x = 1,151,282,414,343,681.25
  5. Step 5: Solve for x
    x = 1,151,282,414,343,681.25/42,372,450.60
  6. Step 6: Final answer
    x = 27,170,541.19

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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.