Home / 257,139,967.02-354,847,119.12-151,300,237.56

Finding the Fourth Proportional to 257,139,967.02, 354,847,119.12 and 151,300,237.56

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Solution

The fourth proportional to 257,139,967.02, 354,847,119.12 and 151,300,237.56 is: 208,790,776.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,139,967.02 : 354,847,119.12 = 151,300,237.56 : x
  2. Step 2: Convert to fraction form
    257,139,967.02/354,847,119.12 = 151,300,237.56/x
  3. Step 3: Cross multiply
    257,139,967.02x = 354,847,119.12 × 151,300,237.56
  4. Step 4: Simplify right side
    257,139,967.02x = 53,688,453,420,337,616
  5. Step 5: Solve for x
    x = 53,688,453,420,337,616/257,139,967.02
  6. Step 6: Final answer
    x = 208,790,776.64

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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.