Home / 114,479,109.16-157,966,817.46-77,390,090.44

Finding the Fourth Proportional to 114,479,109.16, 157,966,817.46 and 77,390,090.44

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Solution

The fourth proportional to 114,479,109.16, 157,966,817.46 and 77,390,090.44 is: 106,788,621.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,479,109.16 : 157,966,817.46 = 77,390,090.44 : x
  2. Step 2: Convert to fraction form
    114,479,109.16/157,966,817.46 = 77,390,090.44/x
  3. Step 3: Cross multiply
    114,479,109.16x = 157,966,817.46 × 77,390,090.44
  4. Step 4: Simplify right side
    114,479,109.16x = 12,225,066,289,748,372
  5. Step 5: Solve for x
    x = 12,225,066,289,748,372/114,479,109.16
  6. Step 6: Final answer
    x = 106,788,621.78

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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.