Home / 56,927,217.36-78,559,455.88-30,821,731.60

Finding the Fourth Proportional to 56,927,217.36, 78,559,455.88 and 30,821,731.60

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Solution

The fourth proportional to 56,927,217.36, 78,559,455.88 and 30,821,731.60 is: 42,533,933.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,927,217.36 : 78,559,455.88 = 30,821,731.60 : x
  2. Step 2: Convert to fraction form
    56,927,217.36/78,559,455.88 = 30,821,731.60/x
  3. Step 3: Cross multiply
    56,927,217.36x = 78,559,455.88 × 30,821,731.60
  4. Step 4: Simplify right side
    56,927,217.36x = 2,421,338,463,775,402
  5. Step 5: Solve for x
    x = 2,421,338,463,775,402/56,927,217.36
  6. Step 6: Final answer
    x = 42,533,933.26

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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.