Home / 142,565,278.65-196,828,941.48-97,988,007.57

Finding the Fourth Proportional to 142,565,278.65, 196,828,941.48 and 97,988,007.57

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Solution

The fourth proportional to 142,565,278.65, 196,828,941.48 and 97,988,007.57 is: 135,284,523.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,565,278.65 : 196,828,941.48 = 97,988,007.57 : x
  2. Step 2: Convert to fraction form
    142,565,278.65/196,828,941.48 = 97,988,007.57/x
  3. Step 3: Cross multiply
    142,565,278.65x = 196,828,941.48 × 97,988,007.57
  4. Step 4: Simplify right side
    142,565,278.65x = 19,286,875,807,247,384
  5. Step 5: Solve for x
    x = 19,286,875,807,247,384/142,565,278.65
  6. Step 6: Final answer
    x = 135,284,523.62

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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.