Home / 157,171,137.57-216,779,978.43-115,341,071.94

Finding the Fourth Proportional to 157,171,137.57, 216,779,978.43 and 115,341,071.94

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Solution

The fourth proportional to 157,171,137.57, 216,779,978.43 and 115,341,071.94 is: 159,085,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,171,137.57 : 216,779,978.43 = 115,341,071.94 : x
  2. Step 2: Convert to fraction form
    157,171,137.57/216,779,978.43 = 115,341,071.94/x
  3. Step 3: Cross multiply
    157,171,137.57x = 216,779,978.43 × 115,341,071.94
  4. Step 4: Simplify right side
    157,171,137.57x = 25,003,635,087,246,280
  5. Step 5: Solve for x
    x = 25,003,635,087,246,280/157,171,137.57
  6. Step 6: Final answer
    x = 159,085,411.44

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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.