Home / 145,490,864.22-218,271,042.99-48,447,412.61

Finding the Fourth Proportional to 145,490,864.22, 218,271,042.99 and 48,447,412.61

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Solution

The fourth proportional to 145,490,864.22, 218,271,042.99 and 48,447,412.61 is: 72,682,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,490,864.22 : 218,271,042.99 = 48,447,412.61 : x
  2. Step 2: Convert to fraction form
    145,490,864.22/218,271,042.99 = 48,447,412.61/x
  3. Step 3: Cross multiply
    145,490,864.22x = 218,271,042.99 × 48,447,412.61
  4. Step 4: Simplify right side
    145,490,864.22x = 10,574,667,279,460,222
  5. Step 5: Solve for x
    x = 10,574,667,279,460,222/145,490,864.22
  6. Step 6: Final answer
    x = 72,682,689.30

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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.