Home / 91,397,653.71-126,128,762.12-52,240,271.22

Finding the Fourth Proportional to 91,397,653.71, 126,128,762.12 and 52,240,271.22

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Solution

The fourth proportional to 91,397,653.71, 126,128,762.12 and 52,240,271.22 is: 72,091,574.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,397,653.71 : 126,128,762.12 = 52,240,271.22 : x
  2. Step 2: Convert to fraction form
    91,397,653.71/126,128,762.12 = 52,240,271.22/x
  3. Step 3: Cross multiply
    91,397,653.71x = 126,128,762.12 × 52,240,271.22
  4. Step 4: Simplify right side
    91,397,653.71x = 6,589,000,741,791,662
  5. Step 5: Solve for x
    x = 6,589,000,741,791,662/91,397,653.71
  6. Step 6: Final answer
    x = 72,091,574.28

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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.