Home / 78,884,250.86-118,332,321.16-23,547,714.79

Finding the Fourth Proportional to 78,884,250.86, 118,332,321.16 and 23,547,714.79

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Solution

The fourth proportional to 78,884,250.86, 118,332,321.16 and 23,547,714.79 is: 35,323,346.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,884,250.86 : 118,332,321.16 = 23,547,714.79 : x
  2. Step 2: Convert to fraction form
    78,884,250.86/118,332,321.16 = 23,547,714.79/x
  3. Step 3: Cross multiply
    78,884,250.86x = 118,332,321.16 × 23,547,714.79
  4. Step 4: Simplify right side
    78,884,250.86x = 2,786,455,749,114,362
  5. Step 5: Solve for x
    x = 2,786,455,749,114,362/78,884,250.86
  6. Step 6: Final answer
    x = 35,323,346.79

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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.