Home / 99,878,374.08-149,817,561.04-28,074,790.08

Finding the Fourth Proportional to 99,878,374.08, 149,817,561.04 and 28,074,790.08

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Solution

The fourth proportional to 99,878,374.08, 149,817,561.04 and 28,074,790.08 is: 42,112,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,878,374.08 : 149,817,561.04 = 28,074,790.08 : x
  2. Step 2: Convert to fraction form
    99,878,374.08/149,817,561.04 = 28,074,790.08/x
  3. Step 3: Cross multiply
    99,878,374.08x = 149,817,561.04 × 28,074,790.08
  4. Step 4: Simplify right side
    99,878,374.08x = 4,206,096,576,495,586
  5. Step 5: Solve for x
    x = 4,206,096,576,495,586/99,878,374.08
  6. Step 6: Final answer
    x = 42,112,185.10

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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.