Home / 97,931,808.51-135,145,891.29-53,877,862.28

Finding the Fourth Proportional to 97,931,808.51, 135,145,891.29 and 53,877,862.28

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Solution

The fourth proportional to 97,931,808.51, 135,145,891.29 and 53,877,862.28 is: 74,351,447.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,931,808.51 : 135,145,891.29 = 53,877,862.28 : x
  2. Step 2: Convert to fraction form
    97,931,808.51/135,145,891.29 = 53,877,862.28/x
  3. Step 3: Cross multiply
    97,931,808.51x = 135,145,891.29 × 53,877,862.28
  4. Step 4: Simplify right side
    97,931,808.51x = 7,281,371,717,954,741
  5. Step 5: Solve for x
    x = 7,281,371,717,954,741/97,931,808.51
  6. Step 6: Final answer
    x = 74,351,447.49

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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.