Home / 229,099,852.81-316,224,417.89-149,726,854.64

Finding the Fourth Proportional to 229,099,852.81, 316,224,417.89 and 149,726,854.64

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Solution

The fourth proportional to 229,099,852.81, 316,224,417.89 and 149,726,854.64 is: 206,666,599.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,099,852.81 : 316,224,417.89 = 149,726,854.64 : x
  2. Step 2: Convert to fraction form
    229,099,852.81/316,224,417.89 = 149,726,854.64/x
  3. Step 3: Cross multiply
    229,099,852.81x = 316,224,417.89 × 149,726,854.64
  4. Step 4: Simplify right side
    229,099,852.81x = 47,347,287,450,286,008
  5. Step 5: Solve for x
    x = 47,347,287,450,286,008/229,099,852.81
  6. Step 6: Final answer
    x = 206,666,599.17

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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.