Home / 157,370,848.76-217,231,592.64-118,326,007.28

Finding the Fourth Proportional to 157,370,848.76, 217,231,592.64 and 118,326,007.28

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Solution

The fourth proportional to 157,370,848.76, 217,231,592.64 and 118,326,007.28 is: 163,334,869.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,370,848.76 : 217,231,592.64 = 118,326,007.28 : x
  2. Step 2: Convert to fraction form
    157,370,848.76/217,231,592.64 = 118,326,007.28/x
  3. Step 3: Cross multiply
    157,370,848.76x = 217,231,592.64 × 118,326,007.28
  4. Step 4: Simplify right side
    157,370,848.76x = 25,704,147,012,166,632
  5. Step 5: Solve for x
    x = 25,704,147,012,166,632/157,370,848.76
  6. Step 6: Final answer
    x = 163,334,869.29

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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.