Home / 130,771,770.75-180,429,128.24-91,034,768.07

Finding the Fourth Proportional to 130,771,770.75, 180,429,128.24 and 91,034,768.07

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Solution

The fourth proportional to 130,771,770.75, 180,429,128.24 and 91,034,768.07 is: 125,602,977.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,771,770.75 : 180,429,128.24 = 91,034,768.07 : x
  2. Step 2: Convert to fraction form
    130,771,770.75/180,429,128.24 = 91,034,768.07/x
  3. Step 3: Cross multiply
    130,771,770.75x = 180,429,128.24 × 91,034,768.07
  4. Step 4: Simplify right side
    130,771,770.75x = 16,425,323,841,945,514
  5. Step 5: Solve for x
    x = 16,425,323,841,945,514/130,771,770.75
  6. Step 6: Final answer
    x = 125,602,977.98

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1.5x scale

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.