Home / 72,366,047.44-99,866,119.20-39,326,952.40

Finding the Fourth Proportional to 72,366,047.44, 99,866,119.20 and 39,326,952.40

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Solution

The fourth proportional to 72,366,047.44, 99,866,119.20 and 39,326,952.40 is: 54,271,723.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,366,047.44 : 99,866,119.20 = 39,326,952.40 : x
  2. Step 2: Convert to fraction form
    72,366,047.44/99,866,119.20 = 39,326,952.40/x
  3. Step 3: Cross multiply
    72,366,047.44x = 99,866,119.20 × 39,326,952.40
  4. Step 4: Simplify right side
    72,366,047.44x = 3,927,430,116,151,126
  5. Step 5: Solve for x
    x = 3,927,430,116,151,126/72,366,047.44
  6. Step 6: Final answer
    x = 54,271,723.48

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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.