Home / 64,756,040.80-97,121,619.60-19,319,317.60

Finding the Fourth Proportional to 64,756,040.80, 97,121,619.60 and 19,319,317.60

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Solution

The fourth proportional to 64,756,040.80, 97,121,619.60 and 19,319,317.60 is: 28,975,264.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,756,040.80 : 97,121,619.60 = 19,319,317.60 : x
  2. Step 2: Convert to fraction form
    64,756,040.80/97,121,619.60 = 19,319,317.60/x
  3. Step 3: Cross multiply
    64,756,040.80x = 97,121,619.60 × 19,319,317.60
  4. Step 4: Simplify right side
    64,756,040.80x = 1,876,323,414,878,785
  5. Step 5: Solve for x
    x = 1,876,323,414,878,785/64,756,040.80
  6. Step 6: Final answer
    x = 28,975,264.57

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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.