Home / 142,565,276.77-196,828,938.88-97,988,005.69

Finding the Fourth Proportional to 142,565,276.77, 196,828,938.88 and 97,988,005.69

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Solution

The fourth proportional to 142,565,276.77, 196,828,938.88 and 97,988,005.69 is: 135,284,521.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,565,276.77 : 196,828,938.88 = 97,988,005.69 : x
  2. Step 2: Convert to fraction form
    142,565,276.77/196,828,938.88 = 97,988,005.69/x
  3. Step 3: Cross multiply
    142,565,276.77x = 196,828,938.88 × 97,988,005.69
  4. Step 4: Simplify right side
    142,565,276.77x = 19,286,875,183,667,144
  5. Step 5: Solve for x
    x = 19,286,875,183,667,144/142,565,276.77
  6. Step 6: Final answer
    x = 135,284,521.03

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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.