Home / 80,931,547.89-121,398,429.31-26,344,364.45

Finding the Fourth Proportional to 80,931,547.89, 121,398,429.31 and 26,344,364.45

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Solution

The fourth proportional to 80,931,547.89, 121,398,429.31 and 26,344,364.45 is: 39,516,907.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,931,547.89 : 121,398,429.31 = 26,344,364.45 : x
  2. Step 2: Convert to fraction form
    80,931,547.89/121,398,429.31 = 26,344,364.45/x
  3. Step 3: Cross multiply
    80,931,547.89x = 121,398,429.31 × 26,344,364.45
  4. Step 4: Simplify right side
    80,931,547.89x = 3,198,164,465,400,202
  5. Step 5: Solve for x
    x = 3,198,164,465,400,202/80,931,547.89
  6. Step 6: Final answer
    x = 39,516,907.17

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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.