Home / 124,690,189.60-186,716,419.80-92,166,000.40

Finding the Fourth Proportional to 124,690,189.60, 186,716,419.80 and 92,166,000.40

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Solution

The fourth proportional to 124,690,189.60, 186,716,419.80 and 92,166,000.40 is: 138,013,308.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,690,189.60 : 186,716,419.80 = 92,166,000.40 : x
  2. Step 2: Convert to fraction form
    124,690,189.60/186,716,419.80 = 92,166,000.40/x
  3. Step 3: Cross multiply
    124,690,189.60x = 186,716,419.80 × 92,166,000.40
  4. Step 4: Simplify right side
    124,690,189.60x = 17,208,905,621,973,370
  5. Step 5: Solve for x
    x = 17,208,905,621,973,370/124,690,189.60
  6. Step 6: Final answer
    x = 138,013,308.64

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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.