Home / 125,315,971.16-188,012,453.40-59,820,690.24

Finding the Fourth Proportional to 125,315,971.16, 188,012,453.40 and 59,820,690.24

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Solution

The fourth proportional to 125,315,971.16, 188,012,453.40 and 59,820,690.24 is: 89,749,412.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,315,971.16 : 188,012,453.40 = 59,820,690.24 : x
  2. Step 2: Convert to fraction form
    125,315,971.16/188,012,453.40 = 59,820,690.24/x
  3. Step 3: Cross multiply
    125,315,971.16x = 188,012,453.40 × 59,820,690.24
  4. Step 4: Simplify right side
    125,315,971.16x = 11,247,034,736,103,836
  5. Step 5: Solve for x
    x = 11,247,034,736,103,836/125,315,971.16
  6. Step 6: Final answer
    x = 89,749,412.09

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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.