Home / 64,145,868.87-96,213,782.91-18,085,877.40

Finding the Fourth Proportional to 64,145,868.87, 96,213,782.91 and 18,085,877.40

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Solution

The fourth proportional to 64,145,868.87, 96,213,782.91 and 18,085,877.40 is: 27,127,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,145,868.87 : 96,213,782.91 = 18,085,877.40 : x
  2. Step 2: Convert to fraction form
    64,145,868.87/96,213,782.91 = 18,085,877.40/x
  3. Step 3: Cross multiply
    64,145,868.87x = 96,213,782.91 × 18,085,877.40
  4. Step 4: Simplify right side
    64,145,868.87x = 1,740,110,681,900,475
  5. Step 5: Solve for x
    x = 1,740,110,681,900,475/64,145,868.87
  6. Step 6: Final answer
    x = 27,127,400.60

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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.