Home / 115,912,230.60-173,868,345.90-103,818,995.40

Finding the Fourth Proportional to 115,912,230.60, 173,868,345.90 and 103,818,995.40

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Solution

The fourth proportional to 115,912,230.60, 173,868,345.90 and 103,818,995.40 is: 155,728,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,912,230.60 : 173,868,345.90 = 103,818,995.40 : x
  2. Step 2: Convert to fraction form
    115,912,230.60/173,868,345.90 = 103,818,995.40/x
  3. Step 3: Cross multiply
    115,912,230.60x = 173,868,345.90 × 103,818,995.40
  4. Step 4: Simplify right side
    115,912,230.60x = 18,050,837,003,197,712
  5. Step 5: Solve for x
    x = 18,050,837,003,197,712/115,912,230.60
  6. Step 6: Final answer
    x = 155,728,493.10

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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.