Home / 215,448,858.09-323,218,681.02-69,871,068.11

Finding the Fourth Proportional to 215,448,858.09, 323,218,681.02 and 69,871,068.11

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Solution

The fourth proportional to 215,448,858.09, 323,218,681.02 and 69,871,068.11 is: 104,821,323.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,448,858.09 : 323,218,681.02 = 69,871,068.11 : x
  2. Step 2: Convert to fraction form
    215,448,858.09/323,218,681.02 = 69,871,068.11/x
  3. Step 3: Cross multiply
    215,448,858.09x = 323,218,681.02 × 69,871,068.11
  4. Step 4: Simplify right side
    215,448,858.09x = 22,583,634,474,356,692
  5. Step 5: Solve for x
    x = 22,583,634,474,356,692/215,448,858.09
  6. Step 6: Final answer
    x = 104,821,323.61

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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.