Home / 76,924,615.36-106,155,974.64-42,117,308.32

Finding the Fourth Proportional to 76,924,615.36, 106,155,974.64 and 42,117,308.32

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Solution

The fourth proportional to 76,924,615.36, 106,155,974.64 and 42,117,308.32 is: 58,121,888.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,924,615.36 : 106,155,974.64 = 42,117,308.32 : x
  2. Step 2: Convert to fraction form
    76,924,615.36/106,155,974.64 = 42,117,308.32/x
  3. Step 3: Cross multiply
    76,924,615.36x = 106,155,974.64 × 42,117,308.32
  4. Step 4: Simplify right side
    76,924,615.36x = 4,471,003,913,922,981
  5. Step 5: Solve for x
    x = 4,471,003,913,922,981/76,924,615.36
  6. Step 6: Final answer
    x = 58,121,888.46

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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.