Home / 219,144,639.34-302,419,893.86-118,673,249.71

Finding the Fourth Proportional to 219,144,639.34, 302,419,893.86 and 118,673,249.71

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Solution

The fourth proportional to 219,144,639.34, 302,419,893.86 and 118,673,249.71 is: 163,769,242.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,144,639.34 : 302,419,893.86 = 118,673,249.71 : x
  2. Step 2: Convert to fraction form
    219,144,639.34/302,419,893.86 = 118,673,249.71/x
  3. Step 3: Cross multiply
    219,144,639.34x = 302,419,893.86 × 118,673,249.71
  4. Step 4: Simplify right side
    219,144,639.34x = 35,889,151,582,075,528
  5. Step 5: Solve for x
    x = 35,889,151,582,075,528/219,144,639.34
  6. Step 6: Final answer
    x = 163,769,242.50

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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.