Home / 238,528,009.60-357,792,014.40-211,318,230.40

Finding the Fourth Proportional to 238,528,009.60, 357,792,014.40 and 211,318,230.40

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Solution

The fourth proportional to 238,528,009.60, 357,792,014.40 and 211,318,230.40 is: 316,977,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,528,009.60 : 357,792,014.40 = 211,318,230.40 : x
  2. Step 2: Convert to fraction form
    238,528,009.60/357,792,014.40 = 211,318,230.40/x
  3. Step 3: Cross multiply
    238,528,009.60x = 357,792,014.40 × 211,318,230.40
  4. Step 4: Simplify right side
    238,528,009.60x = 75,607,975,334,259,312
  5. Step 5: Solve for x
    x = 75,607,975,334,259,312/238,528,009.60
  6. Step 6: Final answer
    x = 316,977,345.60

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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.