Home / 99,074,015.10-148,611,022.65-91,899,561.60

Finding the Fourth Proportional to 99,074,015.10, 148,611,022.65 and 91,899,561.60

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Solution

The fourth proportional to 99,074,015.10, 148,611,022.65 and 91,899,561.60 is: 137,849,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,074,015.10 : 148,611,022.65 = 91,899,561.60 : x
  2. Step 2: Convert to fraction form
    99,074,015.10/148,611,022.65 = 91,899,561.60/x
  3. Step 3: Cross multiply
    99,074,015.10x = 148,611,022.65 × 91,899,561.60
  4. Step 4: Simplify right side
    99,074,015.10x = 13,657,287,830,462,670
  5. Step 5: Solve for x
    x = 13,657,287,830,462,670/99,074,015.10
  6. Step 6: Final answer
    x = 137,849,342.40

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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.