Home / 115,210,873.53-172,787,541.53-45,195,332.74

Finding the Fourth Proportional to 115,210,873.53, 172,787,541.53 and 45,195,332.74

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Solution

The fourth proportional to 115,210,873.53, 172,787,541.53 and 45,195,332.74 is: 67,781,713.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,210,873.53 : 172,787,541.53 = 45,195,332.74 : x
  2. Step 2: Convert to fraction form
    115,210,873.53/172,787,541.53 = 45,195,332.74/x
  3. Step 3: Cross multiply
    115,210,873.53x = 172,787,541.53 × 45,195,332.74
  4. Step 4: Simplify right side
    115,210,873.53x = 7,809,190,432,116,973
  5. Step 5: Solve for x
    x = 7,809,190,432,116,973/115,210,873.53
  6. Step 6: Final answer
    x = 67,781,713.59

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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.