Home / 76,678,107.66-114,931,966.91-58,422,116.93

Finding the Fourth Proportional to 76,678,107.66, 114,931,966.91 and 58,422,116.93

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Solution

The fourth proportional to 76,678,107.66, 114,931,966.91 and 58,422,116.93 is: 87,568,264.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,678,107.66 : 114,931,966.91 = 58,422,116.93 : x
  2. Step 2: Convert to fraction form
    76,678,107.66/114,931,966.91 = 58,422,116.93/x
  3. Step 3: Cross multiply
    76,678,107.66x = 114,931,966.91 × 58,422,116.93
  4. Step 4: Simplify right side
    76,678,107.66x = 6,714,568,808,944,140
  5. Step 5: Solve for x
    x = 6,714,568,808,944,140/76,678,107.66
  6. Step 6: Final answer
    x = 87,568,264.45

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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.