Home / 144,709,656.80-217,064,485.20-87,314,028.80

Finding the Fourth Proportional to 144,709,656.80, 217,064,485.20 and 87,314,028.80

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Solution

The fourth proportional to 144,709,656.80, 217,064,485.20 and 87,314,028.80 is: 130,971,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,709,656.80 : 217,064,485.20 = 87,314,028.80 : x
  2. Step 2: Convert to fraction form
    144,709,656.80/217,064,485.20 = 87,314,028.80/x
  3. Step 3: Cross multiply
    144,709,656.80x = 217,064,485.20 × 87,314,028.80
  4. Step 4: Simplify right side
    144,709,656.80x = 18,952,774,712,209,972
  5. Step 5: Solve for x
    x = 18,952,774,712,209,972/144,709,656.80
  6. Step 6: Final answer
    x = 130,971,043.20

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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.