Home / 71,118,007.60-106,677,011.40-69,984,266.80

Finding the Fourth Proportional to 71,118,007.60, 106,677,011.40 and 69,984,266.80

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Solution

The fourth proportional to 71,118,007.60, 106,677,011.40 and 69,984,266.80 is: 104,976,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,118,007.60 : 106,677,011.40 = 69,984,266.80 : x
  2. Step 2: Convert to fraction form
    71,118,007.60/106,677,011.40 = 69,984,266.80/x
  3. Step 3: Cross multiply
    71,118,007.60x = 106,677,011.40 × 69,984,266.80
  4. Step 4: Simplify right side
    71,118,007.60x = 7,465,712,427,244,242
  5. Step 5: Solve for x
    x = 7,465,712,427,244,242/71,118,007.60
  6. Step 6: Final answer
    x = 104,976,400.20

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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.