Home / 77,325,980.39-106,713,683.60-47,966,772.47

Finding the Fourth Proportional to 77,325,980.39, 106,713,683.60 and 47,966,772.47

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Solution

The fourth proportional to 77,325,980.39, 106,713,683.60 and 47,966,772.47 is: 66,196,522.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,325,980.39 : 106,713,683.60 = 47,966,772.47 : x
  2. Step 2: Convert to fraction form
    77,325,980.39/106,713,683.60 = 47,966,772.47/x
  3. Step 3: Cross multiply
    77,325,980.39x = 106,713,683.60 × 47,966,772.47
  4. Step 4: Simplify right side
    77,325,980.39x = 5,118,710,979,903,369
  5. Step 5: Solve for x
    x = 5,118,710,979,903,369/77,325,980.39
  6. Step 6: Final answer
    x = 66,196,522.24

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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.