Home / 52,415,842.40-72,334,105.08-30,402,375.20

Finding the Fourth Proportional to 52,415,842.40, 72,334,105.08 and 30,402,375.20

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Solution

The fourth proportional to 52,415,842.40, 72,334,105.08 and 30,402,375.20 is: 41,955,418.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,415,842.40 : 72,334,105.08 = 30,402,375.20 : x
  2. Step 2: Convert to fraction form
    52,415,842.40/72,334,105.08 = 30,402,375.20/x
  3. Step 3: Cross multiply
    52,415,842.40x = 72,334,105.08 × 30,402,375.20
  4. Step 4: Simplify right side
    52,415,842.40x = 2,199,128,602,398,386
  5. Step 5: Solve for x
    x = 2,199,128,602,398,386/52,415,842.40
  6. Step 6: Final answer
    x = 41,955,418.47

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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.