Home / 130,964,499.10-180,731,188.02-71,425,939.06

Finding the Fourth Proportional to 130,964,499.10, 180,731,188.02 and 71,425,939.06

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Solution

The fourth proportional to 130,964,499.10, 180,731,188.02 and 71,425,939.06 is: 98,567,893.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,964,499.10 : 180,731,188.02 = 71,425,939.06 : x
  2. Step 2: Convert to fraction form
    130,964,499.10/180,731,188.02 = 71,425,939.06/x
  3. Step 3: Cross multiply
    130,964,499.10x = 180,731,188.02 × 71,425,939.06
  4. Step 4: Simplify right side
    130,964,499.10x = 12,908,894,822,251,684
  5. Step 5: Solve for x
    x = 12,908,894,822,251,684/130,964,499.10
  6. Step 6: Final answer
    x = 98,567,893.67

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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.