Home / 47,148,225.36-70,722,357.66-21,210,230.16

Finding the Fourth Proportional to 47,148,225.36, 70,722,357.66 and 21,210,230.16

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Solution

The fourth proportional to 47,148,225.36, 70,722,357.66 and 21,210,230.16 is: 31,815,354.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,148,225.36 : 70,722,357.66 = 21,210,230.16 : x
  2. Step 2: Convert to fraction form
    47,148,225.36/70,722,357.66 = 21,210,230.16/x
  3. Step 3: Cross multiply
    47,148,225.36x = 70,722,357.66 × 21,210,230.16
  4. Step 4: Simplify right side
    47,148,225.36x = 1,500,037,483,426,439
  5. Step 5: Solve for x
    x = 1,500,037,483,426,439/47,148,225.36
  6. Step 6: Final answer
    x = 31,815,354.07

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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.