Home / 156,779,888.68-235,154,636.32-47,606,019.40

Finding the Fourth Proportional to 156,779,888.68, 235,154,636.32 and 47,606,019.40

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Solution

The fourth proportional to 156,779,888.68, 235,154,636.32 and 47,606,019.40 is: 71,404,414.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,779,888.68 : 235,154,636.32 = 47,606,019.40 : x
  2. Step 2: Convert to fraction form
    156,779,888.68/235,154,636.32 = 47,606,019.40/x
  3. Step 3: Cross multiply
    156,779,888.68x = 235,154,636.32 × 47,606,019.40
  4. Step 4: Simplify right side
    156,779,888.68x = 11,194,776,178,649,864
  5. Step 5: Solve for x
    x = 11,194,776,178,649,864/156,779,888.68
  6. Step 6: Final answer
    x = 71,404,414.64

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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.