Home / 85,636,538.82-118,178,537.60-46,478,315.57

Finding the Fourth Proportional to 85,636,538.82, 118,178,537.60 and 46,478,315.57

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Solution

The fourth proportional to 85,636,538.82, 118,178,537.60 and 46,478,315.57 is: 64,140,137.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,636,538.82 : 118,178,537.60 = 46,478,315.57 : x
  2. Step 2: Convert to fraction form
    85,636,538.82/118,178,537.60 = 46,478,315.57/x
  3. Step 3: Cross multiply
    85,636,538.82x = 118,178,537.60 × 46,478,315.57
  4. Step 4: Simplify right side
    85,636,538.82x = 5,492,739,363,699,214
  5. Step 5: Solve for x
    x = 5,492,739,363,699,214/85,636,538.82
  6. Step 6: Final answer
    x = 64,140,137.37

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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.