Home / 210,045,513.90-289,842,090.03-115,953,550.86

Finding the Fourth Proportional to 210,045,513.90, 289,842,090.03 and 115,953,550.86

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Solution

The fourth proportional to 210,045,513.90, 289,842,090.03 and 115,953,550.86 is: 160,004,462.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,045,513.90 : 289,842,090.03 = 115,953,550.86 : x
  2. Step 2: Convert to fraction form
    210,045,513.90/289,842,090.03 = 115,953,550.86/x
  3. Step 3: Cross multiply
    210,045,513.90x = 289,842,090.03 × 115,953,550.86
  4. Step 4: Simplify right side
    210,045,513.90x = 33,608,219,527,662,300
  5. Step 5: Solve for x
    x = 33,608,219,527,662,300/210,045,513.90
  6. Step 6: Final answer
    x = 160,004,462.38

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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.