Home / 166,082,783.40-249,124,175.10-153,989,548.20

Finding the Fourth Proportional to 166,082,783.40, 249,124,175.10 and 153,989,548.20

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Solution

The fourth proportional to 166,082,783.40, 249,124,175.10 and 153,989,548.20 is: 230,984,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,082,783.40 : 249,124,175.10 = 153,989,548.20 : x
  2. Step 2: Convert to fraction form
    166,082,783.40/249,124,175.10 = 153,989,548.20/x
  3. Step 3: Cross multiply
    166,082,783.40x = 249,124,175.10 × 153,989,548.20
  4. Step 4: Simplify right side
    166,082,783.40x = 38,362,519,169,346,688
  5. Step 5: Solve for x
    x = 38,362,519,169,346,688/166,082,783.40
  6. Step 6: Final answer
    x = 230,984,322.30

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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.