Home / 93,118,446.77-128,458,952.93-72,349,761.65

Finding the Fourth Proportional to 93,118,446.77, 128,458,952.93 and 72,349,761.65

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Solution

The fourth proportional to 93,118,446.77, 128,458,952.93 and 72,349,761.65 is: 99,808,093.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,118,446.77 : 128,458,952.93 = 72,349,761.65 : x
  2. Step 2: Convert to fraction form
    93,118,446.77/128,458,952.93 = 72,349,761.65/x
  3. Step 3: Cross multiply
    93,118,446.77x = 128,458,952.93 × 72,349,761.65
  4. Step 4: Simplify right side
    93,118,446.77x = 9,293,974,625,832,648
  5. Step 5: Solve for x
    x = 9,293,974,625,832,648/93,118,446.77
  6. Step 6: Final answer
    x = 99,808,093.33

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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.