Home / 42,020,643.32-63,012,658.97-22,320,459.08

Finding the Fourth Proportional to 42,020,643.32, 63,012,658.97 and 22,320,459.08

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Solution

The fourth proportional to 42,020,643.32, 63,012,658.97 and 22,320,459.08 is: 33,470,964.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,020,643.32 : 63,012,658.97 = 22,320,459.08 : x
  2. Step 2: Convert to fraction form
    42,020,643.32/63,012,658.97 = 22,320,459.08/x
  3. Step 3: Cross multiply
    42,020,643.32x = 63,012,658.97 × 22,320,459.08
  4. Step 4: Simplify right side
    42,020,643.32x = 1,406,471,475,746,816.50
  5. Step 5: Solve for x
    x = 1,406,471,475,746,816.50/42,020,643.32
  6. Step 6: Final answer
    x = 33,470,964.86

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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.