Home / 85,342,636-117,771,841.38-46,183,506.76

Finding the Fourth Proportional to 85,342,636, 117,771,841.38 and 46,183,506.76

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Solution

The fourth proportional to 85,342,636, 117,771,841.38 and 46,183,506.76 is: 63,732,700.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,342,636 : 117,771,841.38 = 46,183,506.76 : x
  2. Step 2: Convert to fraction form
    85,342,636/117,771,841.38 = 46,183,506.76/x
  3. Step 3: Cross multiply
    85,342,636x = 117,771,841.38 × 46,183,506.76
  4. Step 4: Simplify right side
    85,342,636x = 5,439,116,632,510,877
  5. Step 5: Solve for x
    x = 5,439,116,632,510,877/85,342,636
  6. Step 6: Final answer
    x = 63,732,700.18

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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.