Home / 47,148,454.64-70,722,701.58-21,210,459.42

Finding the Fourth Proportional to 47,148,454.64, 70,722,701.58 and 21,210,459.42

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Solution

The fourth proportional to 47,148,454.64, 70,722,701.58 and 21,210,459.42 is: 31,815,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,148,454.64 : 70,722,701.58 = 21,210,459.42 : x
  2. Step 2: Convert to fraction form
    47,148,454.64/70,722,701.58 = 21,210,459.42/x
  3. Step 3: Cross multiply
    47,148,454.64x = 70,722,701.58 × 21,210,459.42
  4. Step 4: Simplify right side
    47,148,454.64x = 1,500,060,991,935,360
  5. Step 5: Solve for x
    x = 1,500,060,991,935,360/47,148,454.64
  6. Step 6: Final answer
    x = 31,815,697.96

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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.