Home / 229,430,622.30-316,610,256.15-125,009,557.98

Finding the Fourth Proportional to 229,430,622.30, 316,610,256.15 and 125,009,557.98

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Solution

The fourth proportional to 229,430,622.30, 316,610,256.15 and 125,009,557.98 is: 172,511,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,430,622.30 : 316,610,256.15 = 125,009,557.98 : x
  2. Step 2: Convert to fraction form
    229,430,622.30/316,610,256.15 = 125,009,557.98/x
  3. Step 3: Cross multiply
    229,430,622.30x = 316,610,256.15 × 125,009,557.98
  4. Step 4: Simplify right side
    229,430,622.30x = 39,579,308,173,246,072
  5. Step 5: Solve for x
    x = 39,579,308,173,246,072/229,430,622.30
  6. Step 6: Final answer
    x = 172,511,009.11

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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.