Home / 209,938,834.40-314,908,251.60-119,239,570.40

Finding the Fourth Proportional to 209,938,834.40, 314,908,251.60 and 119,239,570.40

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Solution

The fourth proportional to 209,938,834.40, 314,908,251.60 and 119,239,570.40 is: 178,859,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,938,834.40 : 314,908,251.60 = 119,239,570.40 : x
  2. Step 2: Convert to fraction form
    209,938,834.40/314,908,251.60 = 119,239,570.40/x
  3. Step 3: Cross multiply
    209,938,834.40x = 314,908,251.60 × 119,239,570.40
  4. Step 4: Simplify right side
    209,938,834.40x = 37,549,524,636,199,120
  5. Step 5: Solve for x
    x = 37,549,524,636,199,120/209,938,834.40
  6. Step 6: Final answer
    x = 178,859,355.60

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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.