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Finding the Fourth Proportional to 124,762,978.60, 187,156,974.30 and 42,871,071.40

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Solution

The fourth proportional to 124,762,978.60, 187,156,974.30 and 42,871,071.40 is: 64,310,904.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,762,978.60 : 187,156,974.30 = 42,871,071.40 : x
  2. Step 2: Convert to fraction form
    124,762,978.60/187,156,974.30 = 42,871,071.40/x
  3. Step 3: Cross multiply
    124,762,978.60x = 187,156,974.30 × 42,871,071.40
  4. Step 4: Simplify right side
    124,762,978.60x = 8,023,620,008,223,265
  5. Step 5: Solve for x
    x = 8,023,620,008,223,265/124,762,978.60
  6. Step 6: Final answer
    x = 64,310,904.55

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