Home / 209,958,981.40-314,938,472.10-119,259,717.40

Finding the Fourth Proportional to 209,958,981.40, 314,938,472.10 and 119,259,717.40

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Solution

The fourth proportional to 209,958,981.40, 314,938,472.10 and 119,259,717.40 is: 178,889,576.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,958,981.40 : 314,938,472.10 = 119,259,717.40 : x
  2. Step 2: Convert to fraction form
    209,958,981.40/314,938,472.10 = 119,259,717.40/x
  3. Step 3: Cross multiply
    209,958,981.40x = 314,938,472.10 × 119,259,717.40
  4. Step 4: Simplify right side
    209,958,981.40x = 37,559,473,181,033,792
  5. Step 5: Solve for x
    x = 37,559,473,181,033,792/209,958,981.40
  6. Step 6: Final answer
    x = 178,889,576.10

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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.