Home / 142,117,445.19-213,196,503.07-43,757,474.16

Finding the Fourth Proportional to 142,117,445.19, 213,196,503.07 and 43,757,474.16

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Solution

The fourth proportional to 142,117,445.19, 213,196,503.07 and 43,757,474.16 is: 65,642,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,117,445.19 : 213,196,503.07 = 43,757,474.16 : x
  2. Step 2: Convert to fraction form
    142,117,445.19/213,196,503.07 = 43,757,474.16/x
  3. Step 3: Cross multiply
    142,117,445.19x = 213,196,503.07 × 43,757,474.16
  4. Step 4: Simplify right side
    142,117,445.19x = 9,328,940,473,020,584
  5. Step 5: Solve for x
    x = 9,328,940,473,020,584/142,117,445.19
  6. Step 6: Final answer
    x = 65,642,472.40

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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.