Home / 102,986,669.60-154,480,004.40-31,186,656.80

Finding the Fourth Proportional to 102,986,669.60, 154,480,004.40 and 31,186,656.80

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Solution

The fourth proportional to 102,986,669.60, 154,480,004.40 and 31,186,656.80 is: 46,779,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,986,669.60 : 154,480,004.40 = 31,186,656.80 : x
  2. Step 2: Convert to fraction form
    102,986,669.60/154,480,004.40 = 31,186,656.80/x
  3. Step 3: Cross multiply
    102,986,669.60x = 154,480,004.40 × 31,186,656.80
  4. Step 4: Simplify right side
    102,986,669.60x = 4,817,714,879,685,290
  5. Step 5: Solve for x
    x = 4,817,714,879,685,290/102,986,669.60
  6. Step 6: Final answer
    x = 46,779,985.20

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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.