Home / 138,260,964.55-190,800,207.63-74,681,303.41

Finding the Fourth Proportional to 138,260,964.55, 190,800,207.63 and 74,681,303.41

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Solution

The fourth proportional to 138,260,964.55, 190,800,207.63 and 74,681,303.41 is: 103,060,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,260,964.55 : 190,800,207.63 = 74,681,303.41 : x
  2. Step 2: Convert to fraction form
    138,260,964.55/190,800,207.63 = 74,681,303.41/x
  3. Step 3: Cross multiply
    138,260,964.55x = 190,800,207.63 × 74,681,303.41
  4. Step 4: Simplify right side
    138,260,964.55x = 14,249,208,196,707,026
  5. Step 5: Solve for x
    x = 14,249,208,196,707,026/138,260,964.55
  6. Step 6: Final answer
    x = 103,060,240.05

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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.