Home / 70,593,934.32-105,897,000.72-19,475,953.20

Finding the Fourth Proportional to 70,593,934.32, 105,897,000.72 and 19,475,953.20

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Solution

The fourth proportional to 70,593,934.32, 105,897,000.72 and 19,475,953.20 is: 29,215,612.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,593,934.32 : 105,897,000.72 = 19,475,953.20 : x
  2. Step 2: Convert to fraction form
    70,593,934.32/105,897,000.72 = 19,475,953.20/x
  3. Step 3: Cross multiply
    70,593,934.32x = 105,897,000.72 × 19,475,953.20
  4. Step 4: Simplify right side
    70,593,934.32x = 2,062,445,030,043,086.25
  5. Step 5: Solve for x
    x = 2,062,445,030,043,086.25/70,593,934.32
  6. Step 6: Final answer
    x = 29,215,612.50

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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.