Home / 156,779,455.68-235,153,987.64-47,605,586.40

Finding the Fourth Proportional to 156,779,455.68, 235,153,987.64 and 47,605,586.40

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Solution

The fourth proportional to 156,779,455.68, 235,153,987.64 and 47,605,586.40 is: 71,403,765.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,779,455.68 : 235,153,987.64 = 47,605,586.40 : x
  2. Step 2: Convert to fraction form
    156,779,455.68/235,153,987.64 = 47,605,586.40/x
  3. Step 3: Cross multiply
    156,779,455.68x = 235,153,987.64 × 47,605,586.40
  4. Step 4: Simplify right side
    156,779,455.68x = 11,194,643,475,900,552
  5. Step 5: Solve for x
    x = 11,194,643,475,900,552/156,779,455.68
  6. Step 6: Final answer
    x = 71,403,765.42

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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.