Home / 107,798,666.40-161,697,999.60-53,926,538.40

Finding the Fourth Proportional to 107,798,666.40, 161,697,999.60 and 53,926,538.40

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Solution

The fourth proportional to 107,798,666.40, 161,697,999.60 and 53,926,538.40 is: 80,889,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,798,666.40 : 161,697,999.60 = 53,926,538.40 : x
  2. Step 2: Convert to fraction form
    107,798,666.40/161,697,999.60 = 53,926,538.40/x
  3. Step 3: Cross multiply
    107,798,666.40x = 161,697,999.60 × 53,926,538.40
  4. Step 4: Simplify right side
    107,798,666.40x = 8,719,813,384,632,584
  5. Step 5: Solve for x
    x = 8,719,813,384,632,584/107,798,666.40
  6. Step 6: Final answer
    x = 80,889,807.60

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1.5x scale

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.