Home / 91,406,649.51-126,141,177.73-52,249,274.55

Finding the Fourth Proportional to 91,406,649.51, 126,141,177.73 and 52,249,274.55

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Solution

The fourth proportional to 91,406,649.51, 126,141,177.73 and 52,249,274.55 is: 72,103,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,406,649.51 : 126,141,177.73 = 52,249,274.55 : x
  2. Step 2: Convert to fraction form
    91,406,649.51/126,141,177.73 = 52,249,274.55/x
  3. Step 3: Cross multiply
    91,406,649.51x = 126,141,177.73 × 52,249,274.55
  4. Step 4: Simplify right side
    91,406,649.51x = 6,590,785,027,275,116
  5. Step 5: Solve for x
    x = 6,590,785,027,275,116/91,406,649.51
  6. Step 6: Final answer
    x = 72,103,999.68

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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.