Home / 280,093,700.86-420,142,151.06-116,331,457.51

Finding the Fourth Proportional to 280,093,700.86, 420,142,151.06 and 116,331,457.51

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Solution

The fourth proportional to 280,093,700.86, 420,142,151.06 and 116,331,457.51 is: 174,497,850.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,093,700.86 : 420,142,151.06 = 116,331,457.51 : x
  2. Step 2: Convert to fraction form
    280,093,700.86/420,142,151.06 = 116,331,457.51/x
  3. Step 3: Cross multiply
    280,093,700.86x = 420,142,151.06 × 116,331,457.51
  4. Step 4: Simplify right side
    280,093,700.86x = 48,875,748,792,864,536
  5. Step 5: Solve for x
    x = 48,875,748,792,864,536/280,093,700.86
  6. Step 6: Final answer
    x = 174,497,850.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.