Home / 83,673,335.80-125,510,003.70-70,281,022.60

Finding the Fourth Proportional to 83,673,335.80, 125,510,003.70 and 70,281,022.60

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Solution

The fourth proportional to 83,673,335.80, 125,510,003.70 and 70,281,022.60 is: 105,421,533.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,673,335.80 : 125,510,003.70 = 70,281,022.60 : x
  2. Step 2: Convert to fraction form
    83,673,335.80/125,510,003.70 = 70,281,022.60/x
  3. Step 3: Cross multiply
    83,673,335.80x = 125,510,003.70 × 70,281,022.60
  4. Step 4: Simplify right side
    83,673,335.80x = 8,820,971,406,565,783
  5. Step 5: Solve for x
    x = 8,820,971,406,565,783/83,673,335.80
  6. Step 6: Final answer
    x = 105,421,533.90

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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.