Home / 130,708,876.38-180,046,063.35-99,715,237.26

Finding the Fourth Proportional to 130,708,876.38, 180,046,063.35 and 99,715,237.26

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Solution

The fourth proportional to 130,708,876.38, 180,046,063.35 and 99,715,237.26 is: 137,353,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,708,876.38 : 180,046,063.35 = 99,715,237.26 : x
  2. Step 2: Convert to fraction form
    130,708,876.38/180,046,063.35 = 99,715,237.26/x
  3. Step 3: Cross multiply
    130,708,876.38x = 180,046,063.35 × 99,715,237.26
  4. Step 4: Simplify right side
    130,708,876.38x = 17,953,335,924,674,240
  5. Step 5: Solve for x
    x = 17,953,335,924,674,240/130,708,876.38
  6. Step 6: Final answer
    x = 137,353,609.20

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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.