Home / 146,773,948.80-202,381,640.34-93,780,644.28

Finding the Fourth Proportional to 146,773,948.80, 202,381,640.34 and 93,780,644.28

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Solution

The fourth proportional to 146,773,948.80, 202,381,640.34 and 93,780,644.28 is: 129,310,962.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,773,948.80 : 202,381,640.34 = 93,780,644.28 : x
  2. Step 2: Convert to fraction form
    146,773,948.80/202,381,640.34 = 93,780,644.28/x
  3. Step 3: Cross multiply
    146,773,948.80x = 202,381,640.34 × 93,780,644.28
  4. Step 4: Simplify right side
    146,773,948.80x = 18,979,480,621,528,440
  5. Step 5: Solve for x
    x = 18,979,480,621,528,440/146,773,948.80
  6. Step 6: Final answer
    x = 129,310,962.72

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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.