Home / 261,793,879.23-361,276,647.23-144,316,631.91

Finding the Fourth Proportional to 261,793,879.23, 361,276,647.23 and 144,316,631.91

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Solution

The fourth proportional to 261,793,879.23, 361,276,647.23 and 144,316,631.91 is: 199,157,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,793,879.23 : 361,276,647.23 = 144,316,631.91 : x
  2. Step 2: Convert to fraction form
    261,793,879.23/361,276,647.23 = 144,316,631.91/x
  3. Step 3: Cross multiply
    261,793,879.23x = 361,276,647.23 × 144,316,631.91
  4. Step 4: Simplify right side
    261,793,879.23x = 52,138,228,915,249,248
  5. Step 5: Solve for x
    x = 52,138,228,915,249,248/261,793,879.23
  6. Step 6: Final answer
    x = 199,157,555.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.