Home / 52,705,881.60-79,062,508.80-20,789,030.40

Finding the Fourth Proportional to 52,705,881.60, 79,062,508.80 and 20,789,030.40

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Solution

The fourth proportional to 52,705,881.60, 79,062,508.80 and 20,789,030.40 is: 31,184,999.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,705,881.60 : 79,062,508.80 = 20,789,030.40 : x
  2. Step 2: Convert to fraction form
    52,705,881.60/79,062,508.80 = 20,789,030.40/x
  3. Step 3: Cross multiply
    52,705,881.60x = 79,062,508.80 × 20,789,030.40
  4. Step 4: Simplify right side
    52,705,881.60x = 1,643,632,898,943,467.25
  5. Step 5: Solve for x
    x = 1,643,632,898,943,467.25/52,705,881.60
  6. Step 6: Final answer
    x = 31,184,999.64

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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.