Home / 194,038,139.40-291,057,209.10-97,008,822.60

Finding the Fourth Proportional to 194,038,139.40, 291,057,209.10 and 97,008,822.60

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Solution

The fourth proportional to 194,038,139.40, 291,057,209.10 and 97,008,822.60 is: 145,513,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,038,139.40 : 291,057,209.10 = 97,008,822.60 : x
  2. Step 2: Convert to fraction form
    194,038,139.40/291,057,209.10 = 97,008,822.60/x
  3. Step 3: Cross multiply
    194,038,139.40x = 291,057,209.10 × 97,008,822.60
  4. Step 4: Simplify right side
    194,038,139.40x = 28,235,117,164,033,008
  5. Step 5: Solve for x
    x = 28,235,117,164,033,008/194,038,139.40
  6. Step 6: Final answer
    x = 145,513,233.90

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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.