Home / 49,207,985.60-73,811,978.40-28,716,670.40

Finding the Fourth Proportional to 49,207,985.60, 73,811,978.40 and 28,716,670.40

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Solution

The fourth proportional to 49,207,985.60, 73,811,978.40 and 28,716,670.40 is: 43,075,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,207,985.60 : 73,811,978.40 = 28,716,670.40 : x
  2. Step 2: Convert to fraction form
    49,207,985.60/73,811,978.40 = 28,716,670.40/x
  3. Step 3: Cross multiply
    49,207,985.60x = 73,811,978.40 × 28,716,670.40
  4. Step 4: Simplify right side
    49,207,985.60x = 2,119,634,255,284,719.50
  5. Step 5: Solve for x
    x = 2,119,634,255,284,719.50/49,207,985.60
  6. Step 6: Final answer
    x = 43,075,005.60

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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.