Home / 110,711,056.80-166,066,585.20-72,490,461.60

Finding the Fourth Proportional to 110,711,056.80, 166,066,585.20 and 72,490,461.60

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Solution

The fourth proportional to 110,711,056.80, 166,066,585.20 and 72,490,461.60 is: 108,735,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,711,056.80 : 166,066,585.20 = 72,490,461.60 : x
  2. Step 2: Convert to fraction form
    110,711,056.80/166,066,585.20 = 72,490,461.60/x
  3. Step 3: Cross multiply
    110,711,056.80x = 166,066,585.20 × 72,490,461.60
  4. Step 4: Simplify right side
    110,711,056.80x = 12,038,243,417,483,726
  5. Step 5: Solve for x
    x = 12,038,243,417,483,726/110,711,056.80
  6. Step 6: Final answer
    x = 108,735,692.40

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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.