Home / 134,569,523.22-185,706,023.40-72,689,889.12

Finding the Fourth Proportional to 134,569,523.22, 185,706,023.40 and 72,689,889.12

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Solution

The fourth proportional to 134,569,523.22, 185,706,023.40 and 72,689,889.12 is: 100,312,090.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,569,523.22 : 185,706,023.40 = 72,689,889.12 : x
  2. Step 2: Convert to fraction form
    134,569,523.22/185,706,023.40 = 72,689,889.12/x
  3. Step 3: Cross multiply
    134,569,523.22x = 185,706,023.40 × 72,689,889.12
  4. Step 4: Simplify right side
    134,569,523.22x = 13,498,950,249,862,126
  5. Step 5: Solve for x
    x = 13,498,950,249,862,126/134,569,523.22
  6. Step 6: Final answer
    x = 100,312,090.93

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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.