Home / 113,509,778.44-156,643,492.64-61,298,812.56

Finding the Fourth Proportional to 113,509,778.44, 156,643,492.64 and 61,298,812.56

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Solution

The fourth proportional to 113,509,778.44, 156,643,492.64 and 61,298,812.56 is: 84,592,360.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,509,778.44 : 156,643,492.64 = 61,298,812.56 : x
  2. Step 2: Convert to fraction form
    113,509,778.44/156,643,492.64 = 61,298,812.56/x
  3. Step 3: Cross multiply
    113,509,778.44x = 156,643,492.64 × 61,298,812.56
  4. Step 4: Simplify right side
    113,509,778.44x = 9,602,060,094,083,100
  5. Step 5: Solve for x
    x = 9,602,060,094,083,100/113,509,778.44
  6. Step 6: Final answer
    x = 84,592,360.46

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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.