Home / 66,430,335.60-99,645,503.40-61,169,069.70

Finding the Fourth Proportional to 66,430,335.60, 99,645,503.40 and 61,169,069.70

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Solution

The fourth proportional to 66,430,335.60, 99,645,503.40 and 61,169,069.70 is: 91,753,604.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,335.60 : 99,645,503.40 = 61,169,069.70 : x
  2. Step 2: Convert to fraction form
    66,430,335.60/99,645,503.40 = 61,169,069.70/x
  3. Step 3: Cross multiply
    66,430,335.60x = 99,645,503.40 × 61,169,069.70
  4. Step 4: Simplify right side
    66,430,335.60x = 6,095,222,742,766,188
  5. Step 5: Solve for x
    x = 6,095,222,742,766,188/66,430,335.60
  6. Step 6: Final answer
    x = 91,753,604.55

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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.