Home / 91,397,653.66-126,128,762.06-52,240,271.16

Finding the Fourth Proportional to 91,397,653.66, 126,128,762.06 and 52,240,271.16

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Solution

The fourth proportional to 91,397,653.66, 126,128,762.06 and 52,240,271.16 is: 72,091,574.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,397,653.66 : 126,128,762.06 = 52,240,271.16 : x
  2. Step 2: Convert to fraction form
    91,397,653.66/126,128,762.06 = 52,240,271.16/x
  3. Step 3: Cross multiply
    91,397,653.66x = 126,128,762.06 × 52,240,271.16
  4. Step 4: Simplify right side
    91,397,653.66x = 6,589,000,731,742,209
  5. Step 5: Solve for x
    x = 6,589,000,731,742,209/91,397,653.66
  6. Step 6: Final answer
    x = 72,091,574.21

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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.