Home / 357,530,666.40-536,295,999.60-142,119,914.40

Finding the Fourth Proportional to 357,530,666.40, 536,295,999.60 and 142,119,914.40

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Solution

The fourth proportional to 357,530,666.40, 536,295,999.60 and 142,119,914.40 is: 213,179,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,530,666.40 : 536,295,999.60 = 142,119,914.40 : x
  2. Step 2: Convert to fraction form
    357,530,666.40/536,295,999.60 = 142,119,914.40/x
  3. Step 3: Cross multiply
    357,530,666.40x = 536,295,999.60 × 142,119,914.40
  4. Step 4: Simplify right side
    357,530,666.40x = 76,218,341,556,214,448
  5. Step 5: Solve for x
    x = 76,218,341,556,214,448/357,530,666.40
  6. Step 6: Final answer
    x = 213,179,871.60

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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.