Home / 66,683,407.60-99,836,154.60-59,880,962.80

Finding the Fourth Proportional to 66,683,407.60, 99,836,154.60 and 59,880,962.80

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Solution

The fourth proportional to 66,683,407.60, 99,836,154.60 and 59,880,962.80 is: 89,651,763.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,683,407.60 : 99,836,154.60 = 59,880,962.80 : x
  2. Step 2: Convert to fraction form
    66,683,407.60/99,836,154.60 = 59,880,962.80/x
  3. Step 3: Cross multiply
    66,683,407.60x = 99,836,154.60 × 59,880,962.80
  4. Step 4: Simplify right side
    66,683,407.60x = 5,978,285,059,697,648
  5. Step 5: Solve for x
    x = 5,978,285,059,697,648/66,683,407.60
  6. Step 6: Final answer
    x = 89,651,763.08

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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.