Home / 84,312,000.40-126,468,000.60-65,180,124.40

Finding the Fourth Proportional to 84,312,000.40, 126,468,000.60 and 65,180,124.40

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Solution

The fourth proportional to 84,312,000.40, 126,468,000.60 and 65,180,124.40 is: 97,770,186.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,312,000.40 : 126,468,000.60 = 65,180,124.40 : x
  2. Step 2: Convert to fraction form
    84,312,000.40/126,468,000.60 = 65,180,124.40/x
  3. Step 3: Cross multiply
    84,312,000.40x = 126,468,000.60 × 65,180,124.40
  4. Step 4: Simplify right side
    84,312,000.40x = 8,243,200,011,727,274
  5. Step 5: Solve for x
    x = 8,243,200,011,727,274/84,312,000.40
  6. Step 6: Final answer
    x = 97,770,186.60

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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.