Home / 219,646,671.59-303,111,574.99-120,529,077.35

Finding the Fourth Proportional to 219,646,671.59, 303,111,574.99 and 120,529,077.35

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Solution

The fourth proportional to 219,646,671.59, 303,111,574.99 and 120,529,077.35 is: 166,329,670.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,646,671.59 : 303,111,574.99 = 120,529,077.35 : x
  2. Step 2: Convert to fraction form
    219,646,671.59/303,111,574.99 = 120,529,077.35/x
  3. Step 3: Cross multiply
    219,646,671.59x = 303,111,574.99 × 120,529,077.35
  4. Step 4: Simplify right side
    219,646,671.59x = 36,533,758,465,833,152
  5. Step 5: Solve for x
    x = 36,533,758,465,833,152/219,646,671.59
  6. Step 6: Final answer
    x = 166,329,670.29

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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.