Home / 148,935,924.40-223,403,886.60-72,408,420.40

Finding the Fourth Proportional to 148,935,924.40, 223,403,886.60 and 72,408,420.40

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Solution

The fourth proportional to 148,935,924.40, 223,403,886.60 and 72,408,420.40 is: 108,612,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,935,924.40 : 223,403,886.60 = 72,408,420.40 : x
  2. Step 2: Convert to fraction form
    148,935,924.40/223,403,886.60 = 72,408,420.40/x
  3. Step 3: Cross multiply
    148,935,924.40x = 223,403,886.60 × 72,408,420.40
  4. Step 4: Simplify right side
    148,935,924.40x = 16,176,322,539,926,728
  5. Step 5: Solve for x
    x = 16,176,322,539,926,728/148,935,924.40
  6. Step 6: Final answer
    x = 108,612,630.60

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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.