Home / 107,415,305.28-148,115,820.78-72,547,460.46

Finding the Fourth Proportional to 107,415,305.28, 148,115,820.78 and 72,547,460.46

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Solution

The fourth proportional to 107,415,305.28, 148,115,820.78 and 72,547,460.46 is: 100,036,271.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,415,305.28 : 148,115,820.78 = 72,547,460.46 : x
  2. Step 2: Convert to fraction form
    107,415,305.28/148,115,820.78 = 72,547,460.46/x
  3. Step 3: Cross multiply
    107,415,305.28x = 148,115,820.78 × 72,547,460.46
  4. Step 4: Simplify right side
    107,415,305.28x = 10,745,426,651,537,496
  5. Step 5: Solve for x
    x = 10,745,426,651,537,496/107,415,305.28
  6. Step 6: Final answer
    x = 100,036,271.59

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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.