Home / 82,675,783.20-124,013,674.80-64,740,218.40

Finding the Fourth Proportional to 82,675,783.20, 124,013,674.80 and 64,740,218.40

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Solution

The fourth proportional to 82,675,783.20, 124,013,674.80 and 64,740,218.40 is: 97,110,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,675,783.20 : 124,013,674.80 = 64,740,218.40 : x
  2. Step 2: Convert to fraction form
    82,675,783.20/124,013,674.80 = 64,740,218.40/x
  3. Step 3: Cross multiply
    82,675,783.20x = 124,013,674.80 × 64,740,218.40
  4. Step 4: Simplify right side
    82,675,783.20x = 8,028,672,391,138,576
  5. Step 5: Solve for x
    x = 8,028,672,391,138,576/82,675,783.20
  6. Step 6: Final answer
    x = 97,110,327.60

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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.