Home / 121,118,493.60-181,719,730.80-53,010,064.80

Finding the Fourth Proportional to 121,118,493.60, 181,719,730.80 and 53,010,064.80

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Solution

The fourth proportional to 121,118,493.60, 181,719,730.80 and 53,010,064.80 is: 79,533,475.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,118,493.60 : 181,719,730.80 = 53,010,064.80 : x
  2. Step 2: Convert to fraction form
    121,118,493.60/181,719,730.80 = 53,010,064.80/x
  3. Step 3: Cross multiply
    121,118,493.60x = 181,719,730.80 × 53,010,064.80
  4. Step 4: Simplify right side
    121,118,493.60x = 9,632,974,705,146,556
  5. Step 5: Solve for x
    x = 9,632,974,705,146,556/121,118,493.60
  6. Step 6: Final answer
    x = 79,533,475.18

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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.