Home / 67,019,718.12-92,494,700.04-40,572,643.92

Finding the Fourth Proportional to 67,019,718.12, 92,494,700.04 and 40,572,643.92

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Solution

The fourth proportional to 67,019,718.12, 92,494,700.04 and 40,572,643.92 is: 55,994,782.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,019,718.12 : 92,494,700.04 = 40,572,643.92 : x
  2. Step 2: Convert to fraction form
    67,019,718.12/92,494,700.04 = 40,572,643.92/x
  3. Step 3: Cross multiply
    67,019,718.12x = 92,494,700.04 × 40,572,643.92
  4. Step 4: Simplify right side
    67,019,718.12x = 3,752,754,529,210,130
  5. Step 5: Solve for x
    x = 3,752,754,529,210,130/67,019,718.12
  6. Step 6: Final answer
    x = 55,994,782.35

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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.