Home / 56,918,232.53-78,547,185.41-30,812,748.91

Finding the Fourth Proportional to 56,918,232.53, 78,547,185.41 and 30,812,748.91

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Solution

The fourth proportional to 56,918,232.53, 78,547,185.41 and 30,812,748.91 is: 42,521,606.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,918,232.53 : 78,547,185.41 = 30,812,748.91 : x
  2. Step 2: Convert to fraction form
    56,918,232.53/78,547,185.41 = 30,812,748.91/x
  3. Step 3: Cross multiply
    56,918,232.53x = 78,547,185.41 × 30,812,748.91
  4. Step 4: Simplify right side
    56,918,232.53x = 2,420,254,701,275,113.50
  5. Step 5: Solve for x
    x = 2,420,254,701,275,113.50/56,918,232.53
  6. Step 6: Final answer
    x = 42,521,606.76

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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.