Home / 156,779,857.79-235,154,590.20-47,605,988.51

Finding the Fourth Proportional to 156,779,857.79, 235,154,590.20 and 47,605,988.51

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Solution

The fourth proportional to 156,779,857.79, 235,154,590.20 and 47,605,988.51 is: 71,404,368.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,779,857.79 : 235,154,590.20 = 47,605,988.51 : x
  2. Step 2: Convert to fraction form
    156,779,857.79/235,154,590.20 = 47,605,988.51/x
  3. Step 3: Cross multiply
    156,779,857.79x = 235,154,590.20 × 47,605,988.51
  4. Step 4: Simplify right side
    156,779,857.79x = 11,194,766,719,134,958
  5. Step 5: Solve for x
    x = 11,194,766,719,134,958/156,779,857.79
  6. Step 6: Final answer
    x = 71,404,368.37

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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.