Home / 109,113,607.80-163,670,411.70-28,334,575.80

Finding the Fourth Proportional to 109,113,607.80, 163,670,411.70 and 28,334,575.80

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Solution

The fourth proportional to 109,113,607.80, 163,670,411.70 and 28,334,575.80 is: 42,501,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,113,607.80 : 163,670,411.70 = 28,334,575.80 : x
  2. Step 2: Convert to fraction form
    109,113,607.80/163,670,411.70 = 28,334,575.80/x
  3. Step 3: Cross multiply
    109,113,607.80x = 163,670,411.70 × 28,334,575.80
  4. Step 4: Simplify right side
    109,113,607.80x = 4,637,531,686,530,857
  5. Step 5: Solve for x
    x = 4,637,531,686,530,857/109,113,607.80
  6. Step 6: Final answer
    x = 42,501,863.70

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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.