Home / 161,851,312.54-242,806,907.63-51,214,837.74

Finding the Fourth Proportional to 161,851,312.54, 242,806,907.63 and 51,214,837.74

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Solution

The fourth proportional to 161,851,312.54, 242,806,907.63 and 51,214,837.74 is: 76,831,730.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,851,312.54 : 242,806,907.63 = 51,214,837.74 : x
  2. Step 2: Convert to fraction form
    161,851,312.54/242,806,907.63 = 51,214,837.74/x
  3. Step 3: Cross multiply
    161,851,312.54x = 242,806,907.63 × 51,214,837.74
  4. Step 4: Simplify right side
    161,851,312.54x = 12,435,316,374,951,510
  5. Step 5: Solve for x
    x = 12,435,316,374,951,510/161,851,312.54
  6. Step 6: Final answer
    x = 76,831,730.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.