Home / 112,554,985.32-168,802,102.98-39,762,182.34

Finding the Fourth Proportional to 112,554,985.32, 168,802,102.98 and 39,762,182.34

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Solution

The fourth proportional to 112,554,985.32, 168,802,102.98 and 39,762,182.34 is: 59,632,542.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,554,985.32 : 168,802,102.98 = 39,762,182.34 : x
  2. Step 2: Convert to fraction form
    112,554,985.32/168,802,102.98 = 39,762,182.34/x
  3. Step 3: Cross multiply
    112,554,985.32x = 168,802,102.98 × 39,762,182.34
  4. Step 4: Simplify right side
    112,554,985.32x = 6,711,939,998,066,218
  5. Step 5: Solve for x
    x = 6,711,939,998,066,218/112,554,985.32
  6. Step 6: Final answer
    x = 59,632,542.97

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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.