Home / 156,779,887.68-235,154,634.82-47,606,018.40

Finding the Fourth Proportional to 156,779,887.68, 235,154,634.82 and 47,606,018.40

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Solution

The fourth proportional to 156,779,887.68, 235,154,634.82 and 47,606,018.40 is: 71,404,413.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,779,887.68 : 235,154,634.82 = 47,606,018.40 : x
  2. Step 2: Convert to fraction form
    156,779,887.68/235,154,634.82 = 47,606,018.40/x
  3. Step 3: Cross multiply
    156,779,887.68x = 235,154,634.82 × 47,606,018.40
  4. Step 4: Simplify right side
    156,779,887.68x = 11,194,775,872,086,200
  5. Step 5: Solve for x
    x = 11,194,775,872,086,200/156,779,887.68
  6. Step 6: Final answer
    x = 71,404,413.14

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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.