Home / 116,429,345.80-174,644,018.70-39,740,878.60

Finding the Fourth Proportional to 116,429,345.80, 174,644,018.70 and 39,740,878.60

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Solution

The fourth proportional to 116,429,345.80, 174,644,018.70 and 39,740,878.60 is: 59,611,317.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,429,345.80 : 174,644,018.70 = 39,740,878.60 : x
  2. Step 2: Convert to fraction form
    116,429,345.80/174,644,018.70 = 39,740,878.60/x
  3. Step 3: Cross multiply
    116,429,345.80x = 174,644,018.70 × 39,740,878.60
  4. Step 4: Simplify right side
    116,429,345.80x = 6,940,506,745,372,830
  5. Step 5: Solve for x
    x = 6,940,506,745,372,830/116,429,345.80
  6. Step 6: Final answer
    x = 59,611,317.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.