Home / 109,430,959.30-164,191,654.95-47,988,325.06

Finding the Fourth Proportional to 109,430,959.30, 164,191,654.95 and 47,988,325.06

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Solution

The fourth proportional to 109,430,959.30, 164,191,654.95 and 47,988,325.06 is: 72,002,315.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,430,959.30 : 164,191,654.95 = 47,988,325.06 : x
  2. Step 2: Convert to fraction form
    109,430,959.30/164,191,654.95 = 47,988,325.06/x
  3. Step 3: Cross multiply
    109,430,959.30x = 164,191,654.95 × 47,988,325.06
  4. Step 4: Simplify right side
    109,430,959.30x = 7,879,282,509,879,958
  5. Step 5: Solve for x
    x = 7,879,282,509,879,958/109,430,959.30
  6. Step 6: Final answer
    x = 72,002,315.98

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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.