Home / 55,490,631.40-77,814,429.80-55,490,631.40

Finding the Fourth Proportional to 55,490,631.40, 77,814,429.80 and 55,490,631.40

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Solution

The fourth proportional to 55,490,631.40, 77,814,429.80 and 55,490,631.40 is: 77,814,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,490,631.40 : 77,814,429.80 = 55,490,631.40 : x
  2. Step 2: Convert to fraction form
    55,490,631.40/77,814,429.80 = 55,490,631.40/x
  3. Step 3: Cross multiply
    55,490,631.40x = 77,814,429.80 × 55,490,631.40
  4. Step 4: Simplify right side
    55,490,631.40x = 4,317,971,841,632,975.50
  5. Step 5: Solve for x
    x = 4,317,971,841,632,975.50/55,490,631.40
  6. Step 6: Final answer
    x = 77,814,429.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.