Home / 117,615,460.40-176,423,190.60-85,114,890.80

Finding the Fourth Proportional to 117,615,460.40, 176,423,190.60 and 85,114,890.80

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Solution

The fourth proportional to 117,615,460.40, 176,423,190.60 and 85,114,890.80 is: 127,672,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,615,460.40 : 176,423,190.60 = 85,114,890.80 : x
  2. Step 2: Convert to fraction form
    117,615,460.40/176,423,190.60 = 85,114,890.80/x
  3. Step 3: Cross multiply
    117,615,460.40x = 176,423,190.60 × 85,114,890.80
  4. Step 4: Simplify right side
    117,615,460.40x = 15,016,240,602,506,586
  5. Step 5: Solve for x
    x = 15,016,240,602,506,586/117,615,460.40
  6. Step 6: Final answer
    x = 127,672,336.20

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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.