Home / 257,084,861.77-354,885,723.74-173,566,126.86

Finding the Fourth Proportional to 257,084,861.77, 354,885,723.74 and 173,566,126.86

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Solution

The fourth proportional to 257,084,861.77, 354,885,723.74 and 173,566,126.86 is: 239,594,584.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,084,861.77 : 354,885,723.74 = 173,566,126.86 : x
  2. Step 2: Convert to fraction form
    257,084,861.77/354,885,723.74 = 173,566,126.86/x
  3. Step 3: Cross multiply
    257,084,861.77x = 354,885,723.74 × 173,566,126.86
  4. Step 4: Simplify right side
    257,084,861.77x = 61,596,140,547,459,760
  5. Step 5: Solve for x
    x = 61,596,140,547,459,760/257,084,861.77
  6. Step 6: Final answer
    x = 239,594,584.15

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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.