Home / 115,725,681.40-173,336,579.70-70,208,087.80

Finding the Fourth Proportional to 115,725,681.40, 173,336,579.70 and 70,208,087.80

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Solution

The fourth proportional to 115,725,681.40, 173,336,579.70 and 70,208,087.80 is: 105,159,284.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,725,681.40 : 173,336,579.70 = 70,208,087.80 : x
  2. Step 2: Convert to fraction form
    115,725,681.40/173,336,579.70 = 70,208,087.80/x
  3. Step 3: Cross multiply
    115,725,681.40x = 173,336,579.70 × 70,208,087.80
  4. Step 4: Simplify right side
    115,725,681.40x = 12,169,629,806,529,296
  5. Step 5: Solve for x
    x = 12,169,629,806,529,296/115,725,681.40
  6. Step 6: Final answer
    x = 105,159,284.09

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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.