Home / 111,267,562.36-153,558,428.30-61,723,909.52

Finding the Fourth Proportional to 111,267,562.36, 153,558,428.30 and 61,723,909.52

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Solution

The fourth proportional to 111,267,562.36, 153,558,428.30 and 61,723,909.52 is: 85,184,094.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,267,562.36 : 153,558,428.30 = 61,723,909.52 : x
  2. Step 2: Convert to fraction form
    111,267,562.36/153,558,428.30 = 61,723,909.52/x
  3. Step 3: Cross multiply
    111,267,562.36x = 153,558,428.30 × 61,723,909.52
  4. Step 4: Simplify right side
    111,267,562.36x = 9,478,226,534,113,988
  5. Step 5: Solve for x
    x = 9,478,226,534,113,988/111,267,562.36
  6. Step 6: Final answer
    x = 85,184,094.39

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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.