Home / 56,854,045.32-78,458,582.52-30,748,563.15

Finding the Fourth Proportional to 56,854,045.32, 78,458,582.52 and 30,748,563.15

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Solution

The fourth proportional to 56,854,045.32, 78,458,582.52 and 30,748,563.15 is: 42,433,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,854,045.32 : 78,458,582.52 = 30,748,563.15 : x
  2. Step 2: Convert to fraction form
    56,854,045.32/78,458,582.52 = 30,748,563.15/x
  3. Step 3: Cross multiply
    56,854,045.32x = 78,458,582.52 × 30,748,563.15
  4. Step 4: Simplify right side
    56,854,045.32x = 2,412,488,679,275,706
  5. Step 5: Solve for x
    x = 2,412,488,679,275,706/56,854,045.32
  6. Step 6: Final answer
    x = 42,433,017.14

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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.