Home / 145,155,999.40-217,733,999.10-134,070,533.80

Finding the Fourth Proportional to 145,155,999.40, 217,733,999.10 and 134,070,533.80

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Solution

The fourth proportional to 145,155,999.40, 217,733,999.10 and 134,070,533.80 is: 201,105,800.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,155,999.40 : 217,733,999.10 = 134,070,533.80 : x
  2. Step 2: Convert to fraction form
    145,155,999.40/217,733,999.10 = 134,070,533.80/x
  3. Step 3: Cross multiply
    145,155,999.40x = 217,733,999.10 × 134,070,533.80
  4. Step 4: Simplify right side
    145,155,999.40x = 29,191,713,485,745,720
  5. Step 5: Solve for x
    x = 29,191,713,485,745,720/145,155,999.40
  6. Step 6: Final answer
    x = 201,105,800.70

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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.