Home / 51,185,870.96-70,636,971.90-29,159,043.92

Finding the Fourth Proportional to 51,185,870.96, 70,636,971.90 and 29,159,043.92

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Solution

The fourth proportional to 51,185,870.96, 70,636,971.90 and 29,159,043.92 is: 40,239,748.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,185,870.96 : 70,636,971.90 = 29,159,043.92 : x
  2. Step 2: Convert to fraction form
    51,185,870.96/70,636,971.90 = 29,159,043.92/x
  3. Step 3: Cross multiply
    51,185,870.96x = 70,636,971.90 × 29,159,043.92
  4. Step 4: Simplify right side
    51,185,870.96x = 2,059,706,566,007,906.25
  5. Step 5: Solve for x
    x = 2,059,706,566,007,906.25/51,185,870.96
  6. Step 6: Final answer
    x = 40,239,748.34

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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.