Home / 93,140,530.69-128,528,623.21-53,439,645.71

Finding the Fourth Proportional to 93,140,530.69, 128,528,623.21 and 53,439,645.71

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Solution

The fourth proportional to 93,140,530.69, 128,528,623.21 and 53,439,645.71 is: 73,743,664.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,140,530.69 : 128,528,623.21 = 53,439,645.71 : x
  2. Step 2: Convert to fraction form
    93,140,530.69/128,528,623.21 = 53,439,645.71/x
  3. Step 3: Cross multiply
    93,140,530.69x = 128,528,623.21 × 53,439,645.71
  4. Step 4: Simplify right side
    93,140,530.69x = 6,868,524,087,026,641
  5. Step 5: Solve for x
    x = 6,868,524,087,026,641/93,140,530.69
  6. Step 6: Final answer
    x = 73,743,664.93

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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.