Home / 78,457,582.55-117,686,373.83-24,604,808.15

Finding the Fourth Proportional to 78,457,582.55, 117,686,373.83 and 24,604,808.15

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Solution

The fourth proportional to 78,457,582.55, 117,686,373.83 and 24,604,808.15 is: 36,907,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,457,582.55 : 117,686,373.83 = 24,604,808.15 : x
  2. Step 2: Convert to fraction form
    78,457,582.55/117,686,373.83 = 24,604,808.15/x
  3. Step 3: Cross multiply
    78,457,582.55x = 117,686,373.83 × 24,604,808.15
  4. Step 4: Simplify right side
    78,457,582.55x = 2,895,650,649,833,306.50
  5. Step 5: Solve for x
    x = 2,895,650,649,833,306.50/78,457,582.55
  6. Step 6: Final answer
    x = 36,907,212.23

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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.