Home / 131,485,742.16-181,406,261.34-75,730,046.13

Finding the Fourth Proportional to 131,485,742.16, 181,406,261.34 and 75,730,046.13

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Solution

The fourth proportional to 131,485,742.16, 181,406,261.34 and 75,730,046.13 is: 104,482,085.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,485,742.16 : 181,406,261.34 = 75,730,046.13 : x
  2. Step 2: Convert to fraction form
    131,485,742.16/181,406,261.34 = 75,730,046.13/x
  3. Step 3: Cross multiply
    131,485,742.16x = 181,406,261.34 × 75,730,046.13
  4. Step 4: Simplify right side
    131,485,742.16x = 13,737,904,539,549,036
  5. Step 5: Solve for x
    x = 13,737,904,539,549,036/131,485,742.16
  6. Step 6: Final answer
    x = 104,482,085.39

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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.