Home / 109,113,609.80-163,670,414.70-28,334,577.80

Finding the Fourth Proportional to 109,113,609.80, 163,670,414.70 and 28,334,577.80

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Solution

The fourth proportional to 109,113,609.80, 163,670,414.70 and 28,334,577.80 is: 42,501,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,113,609.80 : 163,670,414.70 = 28,334,577.80 : x
  2. Step 2: Convert to fraction form
    109,113,609.80/163,670,414.70 = 28,334,577.80/x
  3. Step 3: Cross multiply
    109,113,609.80x = 163,670,414.70 × 28,334,577.80
  4. Step 4: Simplify right side
    109,113,609.80x = 4,637,532,098,875,413
  5. Step 5: Solve for x
    x = 4,637,532,098,875,413/109,113,609.80
  6. Step 6: Final answer
    x = 42,501,866.70

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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.