Home / 84,564,308.80-126,846,463.20-52,110,978.40

Finding the Fourth Proportional to 84,564,308.80, 126,846,463.20 and 52,110,978.40

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Solution

The fourth proportional to 84,564,308.80, 126,846,463.20 and 52,110,978.40 is: 78,166,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,564,308.80 : 126,846,463.20 = 52,110,978.40 : x
  2. Step 2: Convert to fraction form
    84,564,308.80/126,846,463.20 = 52,110,978.40/x
  3. Step 3: Cross multiply
    84,564,308.80x = 126,846,463.20 × 52,110,978.40
  4. Step 4: Simplify right side
    84,564,308.80x = 6,610,093,303,931,595
  5. Step 5: Solve for x
    x = 6,610,093,303,931,595/84,564,308.80
  6. Step 6: Final answer
    x = 78,166,467.60

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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.