Home / 313,280,418.53-432,301,631.55-181,129,893.77

Finding the Fourth Proportional to 313,280,418.53, 432,301,631.55 and 181,129,893.77

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Solution

The fourth proportional to 313,280,418.53, 432,301,631.55 and 181,129,893.77 is: 249,944,599.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,280,418.53 : 432,301,631.55 = 181,129,893.77 : x
  2. Step 2: Convert to fraction form
    313,280,418.53/432,301,631.55 = 181,129,893.77/x
  3. Step 3: Cross multiply
    313,280,418.53x = 432,301,631.55 × 181,129,893.77
  4. Step 4: Simplify right side
    313,280,418.53x = 78,302,748,600,329,936
  5. Step 5: Solve for x
    x = 78,302,748,600,329,936/313,280,418.53
  6. Step 6: Final answer
    x = 249,944,599.05

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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.