Home / 98,901,381.02-148,365,713.69-57,421,791.93

Finding the Fourth Proportional to 98,901,381.02, 148,365,713.69 and 57,421,791.93

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Solution

The fourth proportional to 98,901,381.02, 148,365,713.69 and 57,421,791.93 is: 86,140,608.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,901,381.02 : 148,365,713.69 = 57,421,791.93 : x
  2. Step 2: Convert to fraction form
    98,901,381.02/148,365,713.69 = 57,421,791.93/x
  3. Step 3: Cross multiply
    98,901,381.02x = 148,365,713.69 × 57,421,791.93
  4. Step 4: Simplify right side
    98,901,381.02x = 8,519,425,141,196,687
  5. Step 5: Solve for x
    x = 8,519,425,141,196,687/98,901,381.02
  6. Step 6: Final answer
    x = 86,140,608.49

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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.