Home / 98,349,211.40-147,187,893.90-86,255,976.20

Finding the Fourth Proportional to 98,349,211.40, 147,187,893.90 and 86,255,976.20

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Solution

The fourth proportional to 98,349,211.40, 147,187,893.90 and 86,255,976.20 is: 129,089,346.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,349,211.40 : 147,187,893.90 = 86,255,976.20 : x
  2. Step 2: Convert to fraction form
    98,349,211.40/147,187,893.90 = 86,255,976.20/x
  3. Step 3: Cross multiply
    98,349,211.40x = 147,187,893.90 × 86,255,976.20
  4. Step 4: Simplify right side
    98,349,211.40x = 12,695,835,473,166,526
  5. Step 5: Solve for x
    x = 12,695,835,473,166,526/98,349,211.40
  6. Step 6: Final answer
    x = 129,089,346.96

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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.