Home / 78,538,741.60-117,808,112.40-24,686,053.60

Finding the Fourth Proportional to 78,538,741.60, 117,808,112.40 and 24,686,053.60

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Solution

The fourth proportional to 78,538,741.60, 117,808,112.40 and 24,686,053.60 is: 37,029,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,538,741.60 : 117,808,112.40 = 24,686,053.60 : x
  2. Step 2: Convert to fraction form
    78,538,741.60/117,808,112.40 = 24,686,053.60/x
  3. Step 3: Cross multiply
    78,538,741.60x = 117,808,112.40 × 24,686,053.60
  4. Step 4: Simplify right side
    78,538,741.60x = 2,908,217,377,221,225
  5. Step 5: Solve for x
    x = 2,908,217,377,221,225/78,538,741.60
  6. Step 6: Final answer
    x = 37,029,080.40

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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.