Home / 98,349,233.40-147,187,926.90-86,255,998.20

Finding the Fourth Proportional to 98,349,233.40, 147,187,926.90 and 86,255,998.20

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Solution

The fourth proportional to 98,349,233.40, 147,187,926.90 and 86,255,998.20 is: 129,089,379.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,349,233.40 : 147,187,926.90 = 86,255,998.20 : x
  2. Step 2: Convert to fraction form
    98,349,233.40/147,187,926.90 = 86,255,998.20/x
  3. Step 3: Cross multiply
    98,349,233.40x = 147,187,926.90 × 86,255,998.20
  4. Step 4: Simplify right side
    98,349,233.40x = 12,695,841,557,748,132
  5. Step 5: Solve for x
    x = 12,695,841,557,748,132/98,349,233.40
  6. Step 6: Final answer
    x = 129,089,379.95

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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.