Home / 216,688,157.34-299,025,886.11-131,884,622.31

Finding the Fourth Proportional to 216,688,157.34, 299,025,886.11 and 131,884,622.31

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Solution

The fourth proportional to 216,688,157.34, 299,025,886.11 and 131,884,622.31 is: 181,998,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,688,157.34 : 299,025,886.11 = 131,884,622.31 : x
  2. Step 2: Convert to fraction form
    216,688,157.34/299,025,886.11 = 131,884,622.31/x
  3. Step 3: Cross multiply
    216,688,157.34x = 299,025,886.11 × 131,884,622.31
  4. Step 4: Simplify right side
    216,688,157.34x = 39,436,916,050,530,424
  5. Step 5: Solve for x
    x = 39,436,916,050,530,424/216,688,157.34
  6. Step 6: Final answer
    x = 181,998,483.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.