Home / 56,894,994-78,514,427.52-30,788,907.84

Finding the Fourth Proportional to 56,894,994, 78,514,427.52 and 30,788,907.84

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Solution

The fourth proportional to 56,894,994, 78,514,427.52 and 30,788,907.84 is: 42,488,333.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,894,994 : 78,514,427.52 = 30,788,907.84 : x
  2. Step 2: Convert to fraction form
    56,894,994/78,514,427.52 = 30,788,907.84/x
  3. Step 3: Cross multiply
    56,894,994x = 78,514,427.52 × 30,788,907.84
  4. Step 4: Simplify right side
    56,894,994x = 2,417,373,473,023,639.50
  5. Step 5: Solve for x
    x = 2,417,373,473,023,639.50/56,894,994
  6. Step 6: Final answer
    x = 42,488,333.39

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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.