Home / 145,385,139.60-218,077,709.40-53,268,699.60

Finding the Fourth Proportional to 145,385,139.60, 218,077,709.40 and 53,268,699.60

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Solution

The fourth proportional to 145,385,139.60, 218,077,709.40 and 53,268,699.60 is: 79,903,049.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,385,139.60 : 218,077,709.40 = 53,268,699.60 : x
  2. Step 2: Convert to fraction form
    145,385,139.60/218,077,709.40 = 53,268,699.60/x
  3. Step 3: Cross multiply
    145,385,139.60x = 218,077,709.40 × 53,268,699.60
  4. Step 4: Simplify right side
    145,385,139.60x = 11,616,715,991,484,696
  5. Step 5: Solve for x
    x = 11,616,715,991,484,696/145,385,139.60
  6. Step 6: Final answer
    x = 79,903,049.40

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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.