Home / 210,915,509.31-316,257,931.44-167,475,314.34

Finding the Fourth Proportional to 210,915,509.31, 316,257,931.44 and 167,475,314.34

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Solution

The fourth proportional to 210,915,509.31, 316,257,931.44 and 167,475,314.34 is: 251,121,392.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,915,509.31 : 316,257,931.44 = 167,475,314.34 : x
  2. Step 2: Convert to fraction form
    210,915,509.31/316,257,931.44 = 167,475,314.34/x
  3. Step 3: Cross multiply
    210,915,509.31x = 316,257,931.44 × 167,475,314.34
  4. Step 4: Simplify right side
    210,915,509.31x = 52,965,396,480,432,168
  5. Step 5: Solve for x
    x = 52,965,396,480,432,168/210,915,509.31
  6. Step 6: Final answer
    x = 251,121,392.89

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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.