Home / 186,365,939.86-257,204,128.98-112,050,707.86

Finding the Fourth Proportional to 186,365,939.86, 257,204,128.98 and 112,050,707.86

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Solution

The fourth proportional to 186,365,939.86, 257,204,128.98 and 112,050,707.86 is: 154,641,479.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,365,939.86 : 257,204,128.98 = 112,050,707.86 : x
  2. Step 2: Convert to fraction form
    186,365,939.86/257,204,128.98 = 112,050,707.86/x
  3. Step 3: Cross multiply
    186,365,939.86x = 257,204,128.98 × 112,050,707.86
  4. Step 4: Simplify right side
    186,365,939.86x = 28,819,904,716,723,740
  5. Step 5: Solve for x
    x = 28,819,904,716,723,740/186,365,939.86
  6. Step 6: Final answer
    x = 154,641,479.76

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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.