Home / 129,653,409.07-194,480,445.76-52,976,437.29

Finding the Fourth Proportional to 129,653,409.07, 194,480,445.76 and 52,976,437.29

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Solution

The fourth proportional to 129,653,409.07, 194,480,445.76 and 52,976,437.29 is: 79,464,791.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,653,409.07 : 194,480,445.76 = 52,976,437.29 : x
  2. Step 2: Convert to fraction form
    129,653,409.07/194,480,445.76 = 52,976,437.29/x
  3. Step 3: Cross multiply
    129,653,409.07x = 194,480,445.76 × 52,976,437.29
  4. Step 4: Simplify right side
    129,653,409.07x = 10,302,881,138,803,444
  5. Step 5: Solve for x
    x = 10,302,881,138,803,444/129,653,409.07
  6. Step 6: Final answer
    x = 79,464,791.65

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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.