Home / 70,848,304.80-106,272,457.20-53,716,221.60

Finding the Fourth Proportional to 70,848,304.80, 106,272,457.20 and 53,716,221.60

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Solution

The fourth proportional to 70,848,304.80, 106,272,457.20 and 53,716,221.60 is: 80,574,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,848,304.80 : 106,272,457.20 = 53,716,221.60 : x
  2. Step 2: Convert to fraction form
    70,848,304.80/106,272,457.20 = 53,716,221.60/x
  3. Step 3: Cross multiply
    70,848,304.80x = 106,272,457.20 × 53,716,221.60
  4. Step 4: Simplify right side
    70,848,304.80x = 5,708,554,860,931,716
  5. Step 5: Solve for x
    x = 5,708,554,860,931,716/70,848,304.80
  6. Step 6: Final answer
    x = 80,574,332.40

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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.