Home / 93,259,020.64-128,697,572.48-51,442,142.68

Finding the Fourth Proportional to 93,259,020.64, 128,697,572.48 and 51,442,142.68

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Solution

The fourth proportional to 93,259,020.64, 128,697,572.48 and 51,442,142.68 is: 70,990,225.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,259,020.64 : 128,697,572.48 = 51,442,142.68 : x
  2. Step 2: Convert to fraction form
    93,259,020.64/128,697,572.48 = 51,442,142.68/x
  3. Step 3: Cross multiply
    93,259,020.64x = 128,697,572.48 × 51,442,142.68
  4. Step 4: Simplify right side
    93,259,020.64x = 6,620,478,886,085,802
  5. Step 5: Solve for x
    x = 6,620,478,886,085,802/93,259,020.64
  6. Step 6: Final answer
    x = 70,990,225.30

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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.