Home / 98,901,385.83-148,365,720.90-57,421,796.76

Finding the Fourth Proportional to 98,901,385.83, 148,365,720.90 and 57,421,796.76

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Solution

The fourth proportional to 98,901,385.83, 148,365,720.90 and 57,421,796.76 is: 86,140,615.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,901,385.83 : 148,365,720.90 = 57,421,796.76 : x
  2. Step 2: Convert to fraction form
    98,901,385.83/148,365,720.90 = 57,421,796.76/x
  3. Step 3: Cross multiply
    98,901,385.83x = 148,365,720.90 × 57,421,796.76
  4. Step 4: Simplify right side
    98,901,385.83x = 8,519,426,271,670,684
  5. Step 5: Solve for x
    x = 8,519,426,271,670,684/98,901,385.83
  6. Step 6: Final answer
    x = 86,140,615.73

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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.