Home / 91,210,681.52-125,870,808.35-49,395,071.42

Finding the Fourth Proportional to 91,210,681.52, 125,870,808.35 and 49,395,071.42

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Solution

The fourth proportional to 91,210,681.52, 125,870,808.35 and 49,395,071.42 is: 68,165,235.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,210,681.52 : 125,870,808.35 = 49,395,071.42 : x
  2. Step 2: Convert to fraction form
    91,210,681.52/125,870,808.35 = 49,395,071.42/x
  3. Step 3: Cross multiply
    91,210,681.52x = 125,870,808.35 × 49,395,071.42
  4. Step 4: Simplify right side
    91,210,681.52x = 6,217,397,567,635,516
  5. Step 5: Solve for x
    x = 6,217,397,567,635,516/91,210,681.52
  6. Step 6: Final answer
    x = 68,165,235.30

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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.