Home / 148,935,935.40-223,403,903.10-72,408,431.40

Finding the Fourth Proportional to 148,935,935.40, 223,403,903.10 and 72,408,431.40

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Solution

The fourth proportional to 148,935,935.40, 223,403,903.10 and 72,408,431.40 is: 108,612,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,935,935.40 : 223,403,903.10 = 72,408,431.40 : x
  2. Step 2: Convert to fraction form
    148,935,935.40/223,403,903.10 = 72,408,431.40/x
  3. Step 3: Cross multiply
    148,935,935.40x = 223,403,903.10 × 72,408,431.40
  4. Step 4: Simplify right side
    148,935,935.40x = 16,176,326,192,108,598
  5. Step 5: Solve for x
    x = 16,176,326,192,108,598/148,935,935.40
  6. Step 6: Final answer
    x = 108,612,647.10

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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.