Home / 115,909,089.80-173,975,609.10-70,559,457.80

Finding the Fourth Proportional to 115,909,089.80, 173,975,609.10 and 70,559,457.80

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Solution

The fourth proportional to 115,909,089.80, 173,975,609.10 and 70,559,457.80 is: 105,907,350.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,909,089.80 : 173,975,609.10 = 70,559,457.80 : x
  2. Step 2: Convert to fraction form
    115,909,089.80/173,975,609.10 = 70,559,457.80/x
  3. Step 3: Cross multiply
    115,909,089.80x = 173,975,609.10 × 70,559,457.80
  4. Step 4: Simplify right side
    115,909,089.80x = 12,275,624,648,520,746
  5. Step 5: Solve for x
    x = 12,275,624,648,520,746/115,909,089.80
  6. Step 6: Final answer
    x = 105,907,350.92

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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.