Home / 118,308,423.47-163,262,616.54-66,097,851.24

Finding the Fourth Proportional to 118,308,423.47, 163,262,616.54 and 66,097,851.24

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Solution

The fourth proportional to 118,308,423.47, 163,262,616.54 and 66,097,851.24 is: 91,213,354.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,308,423.47 : 163,262,616.54 = 66,097,851.24 : x
  2. Step 2: Convert to fraction form
    118,308,423.47/163,262,616.54 = 66,097,851.24/x
  3. Step 3: Cross multiply
    118,308,423.47x = 163,262,616.54 × 66,097,851.24
  4. Step 4: Simplify right side
    118,308,423.47x = 10,791,308,141,114,084
  5. Step 5: Solve for x
    x = 10,791,308,141,114,084/118,308,423.47
  6. Step 6: Final answer
    x = 91,213,354.25

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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.