Home / 130,213,613.74-179,694,983.80-70,674,931.20

Finding the Fourth Proportional to 130,213,613.74, 179,694,983.80 and 70,674,931.20

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Solution

The fourth proportional to 130,213,613.74, 179,694,983.80 and 70,674,931.20 is: 97,531,511.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,213,613.74 : 179,694,983.80 = 70,674,931.20 : x
  2. Step 2: Convert to fraction form
    130,213,613.74/179,694,983.80 = 70,674,931.20/x
  3. Step 3: Cross multiply
    130,213,613.74x = 179,694,983.80 × 70,674,931.20
  4. Step 4: Simplify right side
    130,213,613.74x = 12,699,930,617,050,116
  5. Step 5: Solve for x
    x = 12,699,930,617,050,116/130,213,613.74
  6. Step 6: Final answer
    x = 97,531,511.89

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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.