Home / 109,212,674.40-163,819,011.60-28,433,642.40

Finding the Fourth Proportional to 109,212,674.40, 163,819,011.60 and 28,433,642.40

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Solution

The fourth proportional to 109,212,674.40, 163,819,011.60 and 28,433,642.40 is: 42,650,463.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,212,674.40 : 163,819,011.60 = 28,433,642.40 : x
  2. Step 2: Convert to fraction form
    109,212,674.40/163,819,011.60 = 28,433,642.40/x
  3. Step 3: Cross multiply
    109,212,674.40x = 163,819,011.60 × 28,433,642.40
  4. Step 4: Simplify right side
    109,212,674.40x = 4,657,971,194,155,851
  5. Step 5: Solve for x
    x = 4,657,971,194,155,851/109,212,674.40
  6. Step 6: Final answer
    x = 42,650,463.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.