Home / 93,465,320.88-128,981,825.69-51,648,218.76

Finding the Fourth Proportional to 93,465,320.88, 128,981,825.69 and 51,648,218.76

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Solution

The fourth proportional to 93,465,320.88, 128,981,825.69 and 51,648,218.76 is: 71,274,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,465,320.88 : 128,981,825.69 = 51,648,218.76 : x
  2. Step 2: Convert to fraction form
    93,465,320.88/128,981,825.69 = 51,648,218.76/x
  3. Step 3: Cross multiply
    93,465,320.88x = 128,981,825.69 × 51,648,218.76
  4. Step 4: Simplify right side
    93,465,320.88x = 6,661,681,549,301,308
  5. Step 5: Solve for x
    x = 6,661,681,549,301,308/93,465,320.88
  6. Step 6: Final answer
    x = 71,274,366.65

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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.