Home / 107,645,513.60-161,358,045.60-52,974,012.80

Finding the Fourth Proportional to 107,645,513.60, 161,358,045.60 and 52,974,012.80

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Solution

The fourth proportional to 107,645,513.60, 161,358,045.60 and 52,974,012.80 is: 79,406,775.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,645,513.60 : 161,358,045.60 = 52,974,012.80 : x
  2. Step 2: Convert to fraction form
    107,645,513.60/161,358,045.60 = 52,974,012.80/x
  3. Step 3: Cross multiply
    107,645,513.60x = 161,358,045.60 × 52,974,012.80
  4. Step 4: Simplify right side
    107,645,513.60x = 8,547,783,172,997,383
  5. Step 5: Solve for x
    x = 8,547,783,172,997,383/107,645,513.60
  6. Step 6: Final answer
    x = 79,406,775.88

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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.