Home / 111,374,612.13-153,698,602.37-61,818,165.35

Finding the Fourth Proportional to 111,374,612.13, 153,698,602.37 and 61,818,165.35

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Solution

The fourth proportional to 111,374,612.13, 153,698,602.37 and 61,818,165.35 is: 85,309,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,374,612.13 : 153,698,602.37 = 61,818,165.35 : x
  2. Step 2: Convert to fraction form
    111,374,612.13/153,698,602.37 = 61,818,165.35/x
  3. Step 3: Cross multiply
    111,374,612.13x = 153,698,602.37 × 61,818,165.35
  4. Step 4: Simplify right side
    111,374,612.13x = 9,501,365,614,294,978
  5. Step 5: Solve for x
    x = 9,501,365,614,294,978/111,374,612.13
  6. Step 6: Final answer
    x = 85,309,977.14

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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.