Home / 47,148,455.64-70,722,703.08-21,210,460.42

Finding the Fourth Proportional to 47,148,455.64, 70,722,703.08 and 21,210,460.42

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Solution

The fourth proportional to 47,148,455.64, 70,722,703.08 and 21,210,460.42 is: 31,815,699.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,148,455.64 : 70,722,703.08 = 21,210,460.42 : x
  2. Step 2: Convert to fraction form
    47,148,455.64/70,722,703.08 = 21,210,460.42/x
  3. Step 3: Cross multiply
    47,148,455.64x = 70,722,703.08 × 21,210,460.42
  4. Step 4: Simplify right side
    47,148,455.64x = 1,500,061,094,473,752.25
  5. Step 5: Solve for x
    x = 1,500,061,094,473,752.25/47,148,455.64
  6. Step 6: Final answer
    x = 31,815,699.46

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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.