Home / 98,425,021.55-135,830,656.44-56,609,098.47

Finding the Fourth Proportional to 98,425,021.55, 135,830,656.44 and 56,609,098.47

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Solution

The fourth proportional to 98,425,021.55, 135,830,656.44 and 56,609,098.47 is: 78,122,929.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,425,021.55 : 135,830,656.44 = 56,609,098.47 : x
  2. Step 2: Convert to fraction form
    98,425,021.55/135,830,656.44 = 56,609,098.47/x
  3. Step 3: Cross multiply
    98,425,021.55x = 135,830,656.44 × 56,609,098.47
  4. Step 4: Simplify right side
    98,425,021.55x = 7,689,251,005,656,699
  5. Step 5: Solve for x
    x = 7,689,251,005,656,699/98,425,021.55
  6. Step 6: Final answer
    x = 78,122,929.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.