Home / 129,071,796.63-178,118,093.19-70,334,280.12

Finding the Fourth Proportional to 129,071,796.63, 178,118,093.19 and 70,334,280.12

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Solution

The fourth proportional to 129,071,796.63, 178,118,093.19 and 70,334,280.12 is: 97,060,769.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,071,796.63 : 178,118,093.19 = 70,334,280.12 : x
  2. Step 2: Convert to fraction form
    129,071,796.63/178,118,093.19 = 70,334,280.12/x
  3. Step 3: Cross multiply
    129,071,796.63x = 178,118,093.19 × 70,334,280.12
  4. Step 4: Simplify right side
    129,071,796.63x = 12,527,807,860,865,726
  5. Step 5: Solve for x
    x = 12,527,807,860,865,726/129,071,796.63
  6. Step 6: Final answer
    x = 97,060,769.18

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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.