Home / 115,409,290.49-159,260,037.89-63,197,426.58

Finding the Fourth Proportional to 115,409,290.49, 159,260,037.89 and 63,197,426.58

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Solution

The fourth proportional to 115,409,290.49, 159,260,037.89 and 63,197,426.58 is: 87,209,829.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,409,290.49 : 159,260,037.89 = 63,197,426.58 : x
  2. Step 2: Convert to fraction form
    115,409,290.49/159,260,037.89 = 63,197,426.58/x
  3. Step 3: Cross multiply
    115,409,290.49x = 159,260,037.89 × 63,197,426.58
  4. Step 4: Simplify right side
    115,409,290.49x = 10,064,824,551,681,292
  5. Step 5: Solve for x
    x = 10,064,824,551,681,292/115,409,290.49
  6. Step 6: Final answer
    x = 87,209,829.55

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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.