Home / 147,109,504.16-203,011,114.98-85,265,714.99

Finding the Fourth Proportional to 147,109,504.16, 203,011,114.98 and 85,265,714.99

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Solution

The fourth proportional to 147,109,504.16, 203,011,114.98 and 85,265,714.99 is: 117,666,686.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,109,504.16 : 203,011,114.98 = 85,265,714.99 : x
  2. Step 2: Convert to fraction form
    147,109,504.16/203,011,114.98 = 85,265,714.99/x
  3. Step 3: Cross multiply
    147,109,504.16x = 203,011,114.98 × 85,265,714.99
  4. Step 4: Simplify right side
    147,109,504.16x = 17,309,887,868,671,742
  5. Step 5: Solve for x
    x = 17,309,887,868,671,742/147,109,504.16
  6. Step 6: Final answer
    x = 117,666,686.24

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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.