Home / 70,620,309.17-105,932,451.65-19,502,327.98

Finding the Fourth Proportional to 70,620,309.17, 105,932,451.65 and 19,502,327.98

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Solution

The fourth proportional to 70,620,309.17, 105,932,451.65 and 19,502,327.98 is: 29,254,040.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,620,309.17 : 105,932,451.65 = 19,502,327.98 : x
  2. Step 2: Convert to fraction form
    70,620,309.17/105,932,451.65 = 19,502,327.98/x
  3. Step 3: Cross multiply
    70,620,309.17x = 105,932,451.65 × 19,502,327.98
  4. Step 4: Simplify right side
    70,620,309.17x = 2,065,929,415,838,696
  5. Step 5: Solve for x
    x = 2,065,929,415,838,696/70,620,309.17
  6. Step 6: Final answer
    x = 29,254,040.94

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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.