Home / 147,020,003.40-220,194,081.90-86,553,827.40

Finding the Fourth Proportional to 147,020,003.40, 220,194,081.90 and 86,553,827.40

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Solution

The fourth proportional to 147,020,003.40, 220,194,081.90 and 86,553,827.40 is: 129,632,975.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,020,003.40 : 220,194,081.90 = 86,553,827.40 : x
  2. Step 2: Convert to fraction form
    147,020,003.40/220,194,081.90 = 86,553,827.40/x
  3. Step 3: Cross multiply
    147,020,003.40x = 220,194,081.90 × 86,553,827.40
  4. Step 4: Simplify right side
    147,020,003.40x = 19,058,640,559,274,064
  5. Step 5: Solve for x
    x = 19,058,640,559,274,064/147,020,003.40
  6. Step 6: Final answer
    x = 129,632,975.91

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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.