Home / 102,155,464.02-140,977,517.52-55,748,707.08

Finding the Fourth Proportional to 102,155,464.02, 140,977,517.52 and 55,748,707.08

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Solution

The fourth proportional to 102,155,464.02, 140,977,517.52 and 55,748,707.08 is: 76,934,840.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,155,464.02 : 140,977,517.52 = 55,748,707.08 : x
  2. Step 2: Convert to fraction form
    102,155,464.02/140,977,517.52 = 55,748,707.08/x
  3. Step 3: Cross multiply
    102,155,464.02x = 140,977,517.52 × 55,748,707.08
  4. Step 4: Simplify right side
    102,155,464.02x = 7,859,314,329,088,048
  5. Step 5: Solve for x
    x = 7,859,314,329,088,048/102,155,464.02
  6. Step 6: Final answer
    x = 76,934,840.49

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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.