Home / 145,497,967.18-200,757,221.40-83,606,348.32

Finding the Fourth Proportional to 145,497,967.18, 200,757,221.40 and 83,606,348.32

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Solution

The fourth proportional to 145,497,967.18, 200,757,221.40 and 83,606,348.32 is: 115,359,537.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,497,967.18 : 200,757,221.40 = 83,606,348.32 : x
  2. Step 2: Convert to fraction form
    145,497,967.18/200,757,221.40 = 83,606,348.32/x
  3. Step 3: Cross multiply
    145,497,967.18x = 200,757,221.40 × 83,606,348.32
  4. Step 4: Simplify right side
    145,497,967.18x = 16,784,578,179,621,864
  5. Step 5: Solve for x
    x = 16,784,578,179,621,864/145,497,967.18
  6. Step 6: Final answer
    x = 115,359,537.35

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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.