Home / 209,952,345.60-314,928,518.40-158,934,009.60

Finding the Fourth Proportional to 209,952,345.60, 314,928,518.40 and 158,934,009.60

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Solution

The fourth proportional to 209,952,345.60, 314,928,518.40 and 158,934,009.60 is: 238,401,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,345.60 : 314,928,518.40 = 158,934,009.60 : x
  2. Step 2: Convert to fraction form
    209,952,345.60/314,928,518.40 = 158,934,009.60/x
  3. Step 3: Cross multiply
    209,952,345.60x = 314,928,518.40 × 158,934,009.60
  4. Step 4: Simplify right side
    209,952,345.60x = 50,052,852,166,699,368
  5. Step 5: Solve for x
    x = 50,052,852,166,699,368/209,952,345.60
  6. Step 6: Final answer
    x = 238,401,014.40

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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.