Home / 55,766,159.68-76,953,926.74-30,985,499.20

Finding the Fourth Proportional to 55,766,159.68, 76,953,926.74 and 30,985,499.20

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Solution

The fourth proportional to 55,766,159.68, 76,953,926.74 and 30,985,499.20 is: 42,758,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,766,159.68 : 76,953,926.74 = 30,985,499.20 : x
  2. Step 2: Convert to fraction form
    55,766,159.68/76,953,926.74 = 30,985,499.20/x
  3. Step 3: Cross multiply
    55,766,159.68x = 76,953,926.74 × 30,985,499.20
  4. Step 4: Simplify right side
    55,766,159.68x = 2,384,455,835,439,128.50
  5. Step 5: Solve for x
    x = 2,384,455,835,439,128.50/55,766,159.68
  6. Step 6: Final answer
    x = 42,758,114.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.