Home / 153,587,234.12-230,355,628.44-66,125,204.39

Finding the Fourth Proportional to 153,587,234.12, 230,355,628.44 and 66,125,204.39

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Solution

The fourth proportional to 153,587,234.12, 230,355,628.44 and 66,125,204.39 is: 99,176,947.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,587,234.12 : 230,355,628.44 = 66,125,204.39 : x
  2. Step 2: Convert to fraction form
    153,587,234.12/230,355,628.44 = 66,125,204.39/x
  3. Step 3: Cross multiply
    153,587,234.12x = 230,355,628.44 × 66,125,204.39
  4. Step 4: Simplify right side
    153,587,234.12x = 15,232,313,011,830,118
  5. Step 5: Solve for x
    x = 15,232,313,011,830,118/153,587,234.12
  6. Step 6: Final answer
    x = 99,176,947.22

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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.