Home / 261,041,437,533.15-360,237,201,118.86-145,295,713,205.64

Finding the Fourth Proportional to 261,041,437,533.15, 360,237,201,118.86 and 145,295,713,205.64

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Solution

The fourth proportional to 261,041,437,533.15, 360,237,201,118.86 and 145,295,713,205.64 is: 200,508,093,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,041,437,533.15 : 360,237,201,118.86 = 145,295,713,205.64 : x
  2. Step 2: Convert to fraction form
    261,041,437,533.15/360,237,201,118.86 = 145,295,713,205.64/x
  3. Step 3: Cross multiply
    261,041,437,533.15x = 360,237,201,118.86 × 145,295,713,205.64
  4. Step 4: Simplify right side
    261,041,437,533.15x = 52,340,921,059,768,346,345,472
  5. Step 5: Solve for x
    x = 52,340,921,059,768,346,345,472/261,041,437,533.15
  6. Step 6: Final answer
    x = 200,508,093,865.83

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1.5x scale

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.