Home / 285,953,457.15-428,994,352.31-91,875,927.87

Finding the Fourth Proportional to 285,953,457.15, 428,994,352.31 and 91,875,927.87

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Solution

The fourth proportional to 285,953,457.15, 428,994,352.31 and 91,875,927.87 is: 137,834,508.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,953,457.15 : 428,994,352.31 = 91,875,927.87 : x
  2. Step 2: Convert to fraction form
    285,953,457.15/428,994,352.31 = 91,875,927.87/x
  3. Step 3: Cross multiply
    285,953,457.15x = 428,994,352.31 × 91,875,927.87
  4. Step 4: Simplify right side
    285,953,457.15x = 39,414,254,169,011,552
  5. Step 5: Solve for x
    x = 39,414,254,169,011,552/285,953,457.15
  6. Step 6: Final answer
    x = 137,834,508.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.