Home / 129,102,127.75-178,164,670.18-70,368,597.03

Finding the Fourth Proportional to 129,102,127.75, 178,164,670.18 and 70,368,597.03

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Solution

The fourth proportional to 129,102,127.75, 178,164,670.18 and 70,368,597.03 is: 97,110,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,102,127.75 : 178,164,670.18 = 70,368,597.03 : x
  2. Step 2: Convert to fraction form
    129,102,127.75/178,164,670.18 = 70,368,597.03/x
  3. Step 3: Cross multiply
    129,102,127.75x = 178,164,670.18 × 70,368,597.03
  4. Step 4: Simplify right side
    129,102,127.75x = 12,537,197,880,879,278
  5. Step 5: Solve for x
    x = 12,537,197,880,879,278/129,102,127.75
  6. Step 6: Final answer
    x = 97,110,699.10

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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.