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Finding the Fourth Proportional to 93,290,411.20, 139,935,616.80 and 47,940,779.20

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Solution

The fourth proportional to 93,290,411.20, 139,935,616.80 and 47,940,779.20 is: 71,911,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,290,411.20 : 139,935,616.80 = 47,940,779.20 : x
  2. Step 2: Convert to fraction form
    93,290,411.20/139,935,616.80 = 47,940,779.20/x
  3. Step 3: Cross multiply
    93,290,411.20x = 139,935,616.80 × 47,940,779.20
  4. Step 4: Simplify right side
    93,290,411.20x = 6,708,622,507,224,612
  5. Step 5: Solve for x
    x = 6,708,622,507,224,612/93,290,411.20
  6. Step 6: Final answer
    x = 71,911,168.80

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