Home / 318,009,038.07-438,846,179.45-176,877,222.60

Finding the Fourth Proportional to 318,009,038.07, 438,846,179.45 and 176,877,222.60

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Solution

The fourth proportional to 318,009,038.07, 438,846,179.45 and 176,877,222.60 is: 244,087,066.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,009,038.07 : 438,846,179.45 = 176,877,222.60 : x
  2. Step 2: Convert to fraction form
    318,009,038.07/438,846,179.45 = 176,877,222.60/x
  3. Step 3: Cross multiply
    318,009,038.07x = 438,846,179.45 × 176,877,222.60
  4. Step 4: Simplify right side
    318,009,038.07x = 77,621,893,370,498,480
  5. Step 5: Solve for x
    x = 77,621,893,370,498,480/318,009,038.07
  6. Step 6: Final answer
    x = 244,087,066.96

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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.