Home / 38,803,971,320.80-58,205,956,981.20-21,172,034,399.20

Finding the Fourth Proportional to 38,803,971,320.80, 58,205,956,981.20 and 21,172,034,399.20

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Solution

The fourth proportional to 38,803,971,320.80, 58,205,956,981.20 and 21,172,034,399.20 is: 31,758,051,598.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,803,971,320.80 : 58,205,956,981.20 = 21,172,034,399.20 : x
  2. Step 2: Convert to fraction form
    38,803,971,320.80/58,205,956,981.20 = 21,172,034,399.20/x
  3. Step 3: Cross multiply
    38,803,971,320.80x = 58,205,956,981.20 × 21,172,034,399.20
  4. Step 4: Simplify right side
    38,803,971,320.80x = 1,232,338,523,444,321,714,176
  5. Step 5: Solve for x
    x = 1,232,338,523,444,321,714,176/38,803,971,320.80
  6. Step 6: Final answer
    x = 31,758,051,598.80

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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.