Home / 99,878,725.25-149,818,088.24-28,075,141.25

Finding the Fourth Proportional to 99,878,725.25, 149,818,088.24 and 28,075,141.25

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Solution

The fourth proportional to 99,878,725.25, 149,818,088.24 and 28,075,141.25 is: 42,112,711.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,878,725.25 : 149,818,088.24 = 28,075,141.25 : x
  2. Step 2: Convert to fraction form
    99,878,725.25/149,818,088.24 = 28,075,141.25/x
  3. Step 3: Cross multiply
    99,878,725.25x = 149,818,088.24 × 28,075,141.25
  4. Step 4: Simplify right side
    99,878,725.25x = 4,206,163,989,002,588.50
  5. Step 5: Solve for x
    x = 4,206,163,989,002,588.50/99,878,725.25
  6. Step 6: Final answer
    x = 42,112,711.98

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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.