Home / 156,872,458.78-235,337,418.24-64,705,918.94

Finding the Fourth Proportional to 156,872,458.78, 235,337,418.24 and 64,705,918.94

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Solution

The fourth proportional to 156,872,458.78, 235,337,418.24 and 64,705,918.94 is: 97,070,728.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,872,458.78 : 235,337,418.24 = 64,705,918.94 : x
  2. Step 2: Convert to fraction form
    156,872,458.78/235,337,418.24 = 64,705,918.94/x
  3. Step 3: Cross multiply
    156,872,458.78x = 235,337,418.24 × 64,705,918.94
  4. Step 4: Simplify right side
    156,872,458.78x = 15,227,723,908,733,858
  5. Step 5: Solve for x
    x = 15,227,723,908,733,858/156,872,458.78
  6. Step 6: Final answer
    x = 97,070,728.84

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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.