Home / 199,354,410.60-299,087,603.10-97,121,783.40

Finding the Fourth Proportional to 199,354,410.60, 299,087,603.10 and 97,121,783.40

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Solution

The fourth proportional to 199,354,410.60, 299,087,603.10 and 97,121,783.40 is: 145,709,951.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,354,410.60 : 299,087,603.10 = 97,121,783.40 : x
  2. Step 2: Convert to fraction form
    199,354,410.60/299,087,603.10 = 97,121,783.40/x
  3. Step 3: Cross multiply
    199,354,410.60x = 299,087,603.10 × 97,121,783.40
  4. Step 4: Simplify right side
    199,354,410.60x = 29,047,921,405,903,372
  5. Step 5: Solve for x
    x = 29,047,921,405,903,372/199,354,410.60
  6. Step 6: Final answer
    x = 145,709,951.03

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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.