Home / 128,547,675.48-192,828,799.78-41,116,870.51

Finding the Fourth Proportional to 128,547,675.48, 192,828,799.78 and 41,116,870.51

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Solution

The fourth proportional to 128,547,675.48, 192,828,799.78 and 41,116,870.51 is: 61,677,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,547,675.48 : 192,828,799.78 = 41,116,870.51 : x
  2. Step 2: Convert to fraction form
    128,547,675.48/192,828,799.78 = 41,116,870.51/x
  3. Step 3: Cross multiply
    128,547,675.48x = 192,828,799.78 × 41,116,870.51
  4. Step 4: Simplify right side
    128,547,675.48x = 7,928,516,791,168,322
  5. Step 5: Solve for x
    x = 7,928,516,791,168,322/128,547,675.48
  6. Step 6: Final answer
    x = 61,677,636.42

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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.