Home / 98,349,234.40-147,187,928.40-86,255,999.20

Finding the Fourth Proportional to 98,349,234.40, 147,187,928.40 and 86,255,999.20

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Solution

The fourth proportional to 98,349,234.40, 147,187,928.40 and 86,255,999.20 is: 129,089,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,349,234.40 : 147,187,928.40 = 86,255,999.20 : x
  2. Step 2: Convert to fraction form
    98,349,234.40/147,187,928.40 = 86,255,999.20/x
  3. Step 3: Cross multiply
    98,349,234.40x = 147,187,928.40 × 86,255,999.20
  4. Step 4: Simplify right side
    98,349,234.40x = 12,695,841,834,320,058
  5. Step 5: Solve for x
    x = 12,695,841,834,320,058/98,349,234.40
  6. Step 6: Final answer
    x = 129,089,381.45

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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.