Home / 141,185,812.80-211,778,719.20-38,949,686.40

Finding the Fourth Proportional to 141,185,812.80, 211,778,719.20 and 38,949,686.40

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Solution

The fourth proportional to 141,185,812.80, 211,778,719.20 and 38,949,686.40 is: 58,424,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,185,812.80 : 211,778,719.20 = 38,949,686.40 : x
  2. Step 2: Convert to fraction form
    141,185,812.80/211,778,719.20 = 38,949,686.40/x
  3. Step 3: Cross multiply
    141,185,812.80x = 211,778,719.20 × 38,949,686.40
  4. Step 4: Simplify right side
    141,185,812.80x = 8,248,714,699,033,658
  5. Step 5: Solve for x
    x = 8,248,714,699,033,658/141,185,812.80
  6. Step 6: Final answer
    x = 58,424,529.60

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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.