Home / 66,464,009.60-99,696,014.40-28,112,777.60

Finding the Fourth Proportional to 66,464,009.60, 99,696,014.40 and 28,112,777.60

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Solution

The fourth proportional to 66,464,009.60, 99,696,014.40 and 28,112,777.60 is: 42,169,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,464,009.60 : 99,696,014.40 = 28,112,777.60 : x
  2. Step 2: Convert to fraction form
    66,464,009.60/99,696,014.40 = 28,112,777.60/x
  3. Step 3: Cross multiply
    66,464,009.60x = 99,696,014.40 × 28,112,777.60
  4. Step 4: Simplify right side
    66,464,009.60x = 2,802,731,880,433,598
  5. Step 5: Solve for x
    x = 2,802,731,880,433,598/66,464,009.60
  6. Step 6: Final answer
    x = 42,169,166.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.