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Finding the Fourth Proportional to 249,673,978.32, 374,658,919.56 and 139,102,197.36

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Solution

The fourth proportional to 249,673,978.32, 374,658,919.56 and 139,102,197.36 is: 208,735,725.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,673,978.32 : 374,658,919.56 = 139,102,197.36 : x
  2. Step 2: Convert to fraction form
    249,673,978.32/374,658,919.56 = 139,102,197.36/x
  3. Step 3: Cross multiply
    249,673,978.32x = 374,658,919.56 × 139,102,197.36
  4. Step 4: Simplify right side
    249,673,978.32x = 52,115,878,971,319,488
  5. Step 5: Solve for x
    x = 52,115,878,971,319,488/249,673,978.32
  6. Step 6: Final answer
    x = 208,735,725.37

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