Home / 113,389,897.56-156,526,427.04-76,241,710.32

Finding the Fourth Proportional to 113,389,897.56, 156,526,427.04 and 76,241,710.32

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Solution

The fourth proportional to 113,389,897.56, 156,526,427.04 and 76,241,710.32 is: 105,246,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,389,897.56 : 156,526,427.04 = 76,241,710.32 : x
  2. Step 2: Convert to fraction form
    113,389,897.56/156,526,427.04 = 76,241,710.32/x
  3. Step 3: Cross multiply
    113,389,897.56x = 156,526,427.04 × 76,241,710.32
  4. Step 4: Simplify right side
    113,389,897.56x = 11,933,842,507,808,294
  5. Step 5: Solve for x
    x = 11,933,842,507,808,294/113,389,897.56
  6. Step 6: Final answer
    x = 105,246,082.45

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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.