Home / 354,602,482.20-531,455,825.70-172,457,458.20

Finding the Fourth Proportional to 354,602,482.20, 531,455,825.70 and 172,457,458.20

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Solution

The fourth proportional to 354,602,482.20, 531,455,825.70 and 172,457,458.20 is: 258,468,356.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,602,482.20 : 531,455,825.70 = 172,457,458.20 : x
  2. Step 2: Convert to fraction form
    354,602,482.20/531,455,825.70 = 172,457,458.20/x
  3. Step 3: Cross multiply
    354,602,482.20x = 531,455,825.70 × 172,457,458.20
  4. Step 4: Simplify right side
    354,602,482.20x = 91,653,520,845,804,224
  5. Step 5: Solve for x
    x = 91,653,520,845,804,224/354,602,482.20
  6. Step 6: Final answer
    x = 258,468,356.67

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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.