Home / 115,507,042.50-173,258,931.06-28,069,202.19

Finding the Fourth Proportional to 115,507,042.50, 173,258,931.06 and 28,069,202.19

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Solution

The fourth proportional to 115,507,042.50, 173,258,931.06 and 28,069,202.19 is: 42,103,406.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,507,042.50 : 173,258,931.06 = 28,069,202.19 : x
  2. Step 2: Convert to fraction form
    115,507,042.50/173,258,931.06 = 28,069,202.19/x
  3. Step 3: Cross multiply
    115,507,042.50x = 173,258,931.06 × 28,069,202.19
  4. Step 4: Simplify right side
    115,507,042.50x = 4,863,239,967,146,411
  5. Step 5: Solve for x
    x = 4,863,239,967,146,411/115,507,042.50
  6. Step 6: Final answer
    x = 42,103,406.53

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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.