Home / 77,001,664.32-115,502,693.40-19,493,941.64

Finding the Fourth Proportional to 77,001,664.32, 115,502,693.40 and 19,493,941.64

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Solution

The fourth proportional to 77,001,664.32, 115,502,693.40 and 19,493,941.64 is: 29,240,962.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,001,664.32 : 115,502,693.40 = 19,493,941.64 : x
  2. Step 2: Convert to fraction form
    77,001,664.32/115,502,693.40 = 19,493,941.64/x
  3. Step 3: Cross multiply
    77,001,664.32x = 115,502,693.40 × 19,493,941.64
  4. Step 4: Simplify right side
    77,001,664.32x = 2,251,602,764,402,413.25
  5. Step 5: Solve for x
    x = 2,251,602,764,402,413.25/77,001,664.32
  6. Step 6: Final answer
    x = 29,240,962.31

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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.