Home / 58,728,130.80-87,918,013.80-43,648,911.60

Finding the Fourth Proportional to 58,728,130.80, 87,918,013.80 and 43,648,911.60

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Solution

The fourth proportional to 58,728,130.80, 87,918,013.80 and 43,648,911.60 is: 65,343,908.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,728,130.80 : 87,918,013.80 = 43,648,911.60 : x
  2. Step 2: Convert to fraction form
    58,728,130.80/87,918,013.80 = 43,648,911.60/x
  3. Step 3: Cross multiply
    58,728,130.80x = 87,918,013.80 × 43,648,911.60
  4. Step 4: Simplify right side
    58,728,130.80x = 3,837,525,612,403,780
  5. Step 5: Solve for x
    x = 3,837,525,612,403,780/58,728,130.80
  6. Step 6: Final answer
    x = 65,343,908.62

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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.