Home / 118,308,423.96-163,262,617.24-66,097,851.74

Finding the Fourth Proportional to 118,308,423.96, 163,262,617.24 and 66,097,851.74

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Solution

The fourth proportional to 118,308,423.96, 163,262,617.24 and 66,097,851.74 is: 91,213,354.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,308,423.96 : 163,262,617.24 = 66,097,851.74 : x
  2. Step 2: Convert to fraction form
    118,308,423.96/163,262,617.24 = 66,097,851.74/x
  3. Step 3: Cross multiply
    118,308,423.96x = 163,262,617.24 × 66,097,851.74
  4. Step 4: Simplify right side
    118,308,423.96x = 10,791,308,269,013,888
  5. Step 5: Solve for x
    x = 10,791,308,269,013,888/118,308,423.96
  6. Step 6: Final answer
    x = 91,213,354.96

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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.