Home / 76,014,315.60-114,020,404.20-18,506,713.20

Finding the Fourth Proportional to 76,014,315.60, 114,020,404.20 and 18,506,713.20

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Solution

The fourth proportional to 76,014,315.60, 114,020,404.20 and 18,506,713.20 is: 27,759,809.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,014,315.60 : 114,020,404.20 = 18,506,713.20 : x
  2. Step 2: Convert to fraction form
    76,014,315.60/114,020,404.20 = 18,506,713.20/x
  3. Step 3: Cross multiply
    76,014,315.60x = 114,020,404.20 × 18,506,713.20
  4. Step 4: Simplify right side
    76,014,315.60x = 2,110,142,919,477,475.50
  5. Step 5: Solve for x
    x = 2,110,142,919,477,475.50/76,014,315.60
  6. Step 6: Final answer
    x = 27,759,809.49

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1.5x scale

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.