Home / 73,216,920.72-101,086,681.32-45,369,181.20

Finding the Fourth Proportional to 73,216,920.72, 101,086,681.32 and 45,369,181.20

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Solution

The fourth proportional to 73,216,920.72, 101,086,681.32 and 45,369,181.20 is: 62,638,798.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,216,920.72 : 101,086,681.32 = 45,369,181.20 : x
  2. Step 2: Convert to fraction form
    73,216,920.72/101,086,681.32 = 45,369,181.20/x
  3. Step 3: Cross multiply
    73,216,920.72x = 101,086,681.32 × 45,369,181.20
  4. Step 4: Simplify right side
    73,216,920.72x = 4,586,219,961,713,735
  5. Step 5: Solve for x
    x = 4,586,219,961,713,735/73,216,920.72
  6. Step 6: Final answer
    x = 62,638,798.75

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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.