Home / 72,576,875.40-108,865,313.10-58,971,985.80

Finding the Fourth Proportional to 72,576,875.40, 108,865,313.10 and 58,971,985.80

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Solution

The fourth proportional to 72,576,875.40, 108,865,313.10 and 58,971,985.80 is: 88,457,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,576,875.40 : 108,865,313.10 = 58,971,985.80 : x
  2. Step 2: Convert to fraction form
    72,576,875.40/108,865,313.10 = 58,971,985.80/x
  3. Step 3: Cross multiply
    72,576,875.40x = 108,865,313.10 × 58,971,985.80
  4. Step 4: Simplify right side
    72,576,875.40x = 6,420,003,698,245,753
  5. Step 5: Solve for x
    x = 6,420,003,698,245,753/72,576,875.40
  6. Step 6: Final answer
    x = 88,457,978.70

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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.