Home / 209,938,958.40-314,908,437.60-119,239,694.40

Finding the Fourth Proportional to 209,938,958.40, 314,908,437.60 and 119,239,694.40

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Solution

The fourth proportional to 209,938,958.40, 314,908,437.60 and 119,239,694.40 is: 178,859,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,938,958.40 : 314,908,437.60 = 119,239,694.40 : x
  2. Step 2: Convert to fraction form
    209,938,958.40/314,908,437.60 = 119,239,694.40/x
  3. Step 3: Cross multiply
    209,938,958.40x = 314,908,437.60 × 119,239,694.40
  4. Step 4: Simplify right side
    209,938,958.40x = 37,549,585,863,405,472
  5. Step 5: Solve for x
    x = 37,549,585,863,405,472/209,938,958.40
  6. Step 6: Final answer
    x = 178,859,541.60

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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.