Home / 103,549,173.52-142,900,896.39-56,509,284.22

Finding the Fourth Proportional to 103,549,173.52, 142,900,896.39 and 56,509,284.22

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Solution

The fourth proportional to 103,549,173.52, 142,900,896.39 and 56,509,284.22 is: 77,984,469.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,549,173.52 : 142,900,896.39 = 56,509,284.22 : x
  2. Step 2: Convert to fraction form
    103,549,173.52/142,900,896.39 = 56,509,284.22/x
  3. Step 3: Cross multiply
    103,549,173.52x = 142,900,896.39 × 56,509,284.22
  4. Step 4: Simplify right side
    103,549,173.52x = 8,075,227,369,611,260
  5. Step 5: Solve for x
    x = 8,075,227,369,611,260/103,549,173.52
  6. Step 6: Final answer
    x = 77,984,469.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.