Home / 120,862,371,207.40-181,293,556,811.10-68,619,595,143.40

Finding the Fourth Proportional to 120,862,371,207.40, 181,293,556,811.10 and 68,619,595,143.40

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Solution

The fourth proportional to 120,862,371,207.40, 181,293,556,811.10 and 68,619,595,143.40 is: 102,929,392,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,862,371,207.40 : 181,293,556,811.10 = 68,619,595,143.40 : x
  2. Step 2: Convert to fraction form
    120,862,371,207.40/181,293,556,811.10 = 68,619,595,143.40/x
  3. Step 3: Cross multiply
    120,862,371,207.40x = 181,293,556,811.10 × 68,619,595,143.40
  4. Step 4: Simplify right side
    120,862,371,207.40x = 12,440,290,470,484,670,152,704
  5. Step 5: Solve for x
    x = 12,440,290,470,484,670,152,704/120,862,371,207.40
  6. Step 6: Final answer
    x = 102,929,392,715.10

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1.5x scale

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.