Home / 52,392,189.91-72,301,705.90-28,871,567.91

Finding the Fourth Proportional to 52,392,189.91, 72,301,705.90 and 28,871,567.91

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Solution

The fourth proportional to 52,392,189.91, 72,301,705.90 and 28,871,567.91 is: 39,843,030.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,392,189.91 : 72,301,705.90 = 28,871,567.91 : x
  2. Step 2: Convert to fraction form
    52,392,189.91/72,301,705.90 = 28,871,567.91/x
  3. Step 3: Cross multiply
    52,392,189.91x = 72,301,705.90 × 28,871,567.91
  4. Step 4: Simplify right side
    52,392,189.91x = 2,087,463,611,990,921.50
  5. Step 5: Solve for x
    x = 2,087,463,611,990,921.50/52,392,189.91
  6. Step 6: Final answer
    x = 39,843,030.34

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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.