Home / 85,955,877.44-128,933,856.09-27,663,547.25

Finding the Fourth Proportional to 85,955,877.44, 128,933,856.09 and 27,663,547.25

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Solution

The fourth proportional to 85,955,877.44, 128,933,856.09 and 27,663,547.25 is: 41,495,333.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,955,877.44 : 128,933,856.09 = 27,663,547.25 : x
  2. Step 2: Convert to fraction form
    85,955,877.44/128,933,856.09 = 27,663,547.25/x
  3. Step 3: Cross multiply
    85,955,877.44x = 128,933,856.09 × 27,663,547.25
  4. Step 4: Simplify right side
    85,955,877.44x = 3,566,767,819,425,746
  5. Step 5: Solve for x
    x = 3,566,767,819,425,746/85,955,877.44
  6. Step 6: Final answer
    x = 41,495,333.72

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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.