Home / 134,139,205.40-201,208,808.10-82,483,140.20

Finding the Fourth Proportional to 134,139,205.40, 201,208,808.10 and 82,483,140.20

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Solution

The fourth proportional to 134,139,205.40, 201,208,808.10 and 82,483,140.20 is: 123,724,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,139,205.40 : 201,208,808.10 = 82,483,140.20 : x
  2. Step 2: Convert to fraction form
    134,139,205.40/201,208,808.10 = 82,483,140.20/x
  3. Step 3: Cross multiply
    134,139,205.40x = 201,208,808.10 × 82,483,140.20
  4. Step 4: Simplify right side
    134,139,205.40x = 16,596,334,327,987,196
  5. Step 5: Solve for x
    x = 16,596,334,327,987,196/134,139,205.40
  6. Step 6: Final answer
    x = 123,724,710.30

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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.