Home / 103,708,918.94-143,124,047.70-57,298,176.42

Finding the Fourth Proportional to 103,708,918.94, 143,124,047.70 and 57,298,176.42

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Solution

The fourth proportional to 103,708,918.94, 143,124,047.70 and 57,298,176.42 is: 79,074,654.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,708,918.94 : 143,124,047.70 = 57,298,176.42 : x
  2. Step 2: Convert to fraction form
    103,708,918.94/143,124,047.70 = 57,298,176.42/x
  3. Step 3: Cross multiply
    103,708,918.94x = 143,124,047.70 × 57,298,176.42
  4. Step 4: Simplify right side
    103,708,918.94x = 8,200,746,935,059,095
  5. Step 5: Solve for x
    x = 8,200,746,935,059,095/103,708,918.94
  6. Step 6: Final answer
    x = 79,074,654.51

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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.