Home / 70,429,599.48-105,553,472.94-31,539,577.44

Finding the Fourth Proportional to 70,429,599.48, 105,553,472.94 and 31,539,577.44

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Solution

The fourth proportional to 70,429,599.48, 105,553,472.94 and 31,539,577.44 is: 47,268,647.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,429,599.48 : 105,553,472.94 = 31,539,577.44 : x
  2. Step 2: Convert to fraction form
    70,429,599.48/105,553,472.94 = 31,539,577.44/x
  3. Step 3: Cross multiply
    70,429,599.48x = 105,553,472.94 × 31,539,577.44
  4. Step 4: Simplify right side
    70,429,599.48x = 3,329,111,933,852,074.50
  5. Step 5: Solve for x
    x = 3,329,111,933,852,074.50/70,429,599.48
  6. Step 6: Final answer
    x = 47,268,647.82

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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.