Home / 56,894,457.11-78,514,549.02-30,788,968.32

Finding the Fourth Proportional to 56,894,457.11, 78,514,549.02 and 30,788,968.32

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Solution

The fourth proportional to 56,894,457.11, 78,514,549.02 and 30,788,968.32 is: 42,488,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,894,457.11 : 78,514,549.02 = 30,788,968.32 : x
  2. Step 2: Convert to fraction form
    56,894,457.11/78,514,549.02 = 30,788,968.32/x
  3. Step 3: Cross multiply
    56,894,457.11x = 78,514,549.02 × 30,788,968.32
  4. Step 4: Simplify right side
    56,894,457.11x = 2,417,381,962,435,867
  5. Step 5: Solve for x
    x = 2,417,381,962,435,867/56,894,457.11
  6. Step 6: Final answer
    x = 42,488,883.55

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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.