Home / 79,637,877.66-109,934,241.75-53,547,518.46

Finding the Fourth Proportional to 79,637,877.66, 109,934,241.75 and 53,547,518.46

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Solution

The fourth proportional to 79,637,877.66, 109,934,241.75 and 53,547,518.46 is: 73,918,416.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,637,877.66 : 109,934,241.75 = 53,547,518.46 : x
  2. Step 2: Convert to fraction form
    79,637,877.66/109,934,241.75 = 53,547,518.46/x
  3. Step 3: Cross multiply
    79,637,877.66x = 109,934,241.75 × 53,547,518.46
  4. Step 4: Simplify right side
    79,637,877.66x = 5,886,705,839,494,228
  5. Step 5: Solve for x
    x = 5,886,705,839,494,228/79,637,877.66
  6. Step 6: Final answer
    x = 73,918,416.87

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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.