Home / 93,286,401.11-128,739,127.11-51,473,178.86

Finding the Fourth Proportional to 93,286,401.11, 128,739,127.11 and 51,473,178.86

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Solution

The fourth proportional to 93,286,401.11, 128,739,127.11 and 51,473,178.86 is: 71,035,135.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,286,401.11 : 128,739,127.11 = 51,473,178.86 : x
  2. Step 2: Convert to fraction form
    93,286,401.11/128,739,127.11 = 51,473,178.86/x
  3. Step 3: Cross multiply
    93,286,401.11x = 128,739,127.11 × 51,473,178.86
  4. Step 4: Simplify right side
    93,286,401.11x = 6,626,612,116,013,305
  5. Step 5: Solve for x
    x = 6,626,612,116,013,305/93,286,401.11
  6. Step 6: Final answer
    x = 71,035,135.21

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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.