Home / 209,953,787.80-314,930,681.70-181,232,354.20

Finding the Fourth Proportional to 209,953,787.80, 314,930,681.70 and 181,232,354.20

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Solution

The fourth proportional to 209,953,787.80, 314,930,681.70 and 181,232,354.20 is: 271,848,531.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,787.80 : 314,930,681.70 = 181,232,354.20 : x
  2. Step 2: Convert to fraction form
    209,953,787.80/314,930,681.70 = 181,232,354.20/x
  3. Step 3: Cross multiply
    209,953,787.80x = 314,930,681.70 × 181,232,354.20
  4. Step 4: Simplify right side
    209,953,787.80x = 57,075,628,854,301,856
  5. Step 5: Solve for x
    x = 57,075,628,854,301,856/209,953,787.80
  6. Step 6: Final answer
    x = 271,848,531.30

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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.