Home / 156,779,858.79-235,154,591.70-47,605,989.51

Finding the Fourth Proportional to 156,779,858.79, 235,154,591.70 and 47,605,989.51

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Solution

The fourth proportional to 156,779,858.79, 235,154,591.70 and 47,605,989.51 is: 71,404,369.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,779,858.79 : 235,154,591.70 = 47,605,989.51 : x
  2. Step 2: Convert to fraction form
    156,779,858.79/235,154,591.70 = 47,605,989.51/x
  3. Step 3: Cross multiply
    156,779,858.79x = 235,154,591.70 × 47,605,989.51
  4. Step 4: Simplify right side
    156,779,858.79x = 11,194,767,025,698,532
  5. Step 5: Solve for x
    x = 11,194,767,025,698,532/156,779,858.79
  6. Step 6: Final answer
    x = 71,404,369.87

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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.