Home / 156,670,189.97-216,114,813.94-97,830,714.29

Finding the Fourth Proportional to 156,670,189.97, 216,114,813.94 and 97,830,714.29

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Solution

The fourth proportional to 156,670,189.97, 216,114,813.94 and 97,830,714.29 is: 134,950,156.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,670,189.97 : 216,114,813.94 = 97,830,714.29 : x
  2. Step 2: Convert to fraction form
    156,670,189.97/216,114,813.94 = 97,830,714.29/x
  3. Step 3: Cross multiply
    156,670,189.97x = 216,114,813.94 × 97,830,714.29
  4. Step 4: Simplify right side
    156,670,189.97x = 21,142,666,615,615,784
  5. Step 5: Solve for x
    x = 21,142,666,615,615,784/156,670,189.97
  6. Step 6: Final answer
    x = 134,950,156.25

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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.