Home / 156,342,643.07-234,361,462.31-74,439,514.94

Finding the Fourth Proportional to 156,342,643.07, 234,361,462.31 and 74,439,514.94

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Solution

The fourth proportional to 156,342,643.07, 234,361,462.31 and 74,439,514.94 is: 111,586,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,342,643.07 : 234,361,462.31 = 74,439,514.94 : x
  2. Step 2: Convert to fraction form
    156,342,643.07/234,361,462.31 = 74,439,514.94/x
  3. Step 3: Cross multiply
    156,342,643.07x = 234,361,462.31 × 74,439,514.94
  4. Step 4: Simplify right side
    156,342,643.07x = 17,445,753,574,613,294
  5. Step 5: Solve for x
    x = 17,445,753,574,613,294/156,342,643.07
  6. Step 6: Final answer
    x = 111,586,661.40

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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.