Home / 97,830,031.50-135,007,120.74-53,778,886.98

Finding the Fourth Proportional to 97,830,031.50, 135,007,120.74 and 53,778,886.98

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Solution

The fourth proportional to 97,830,031.50, 135,007,120.74 and 53,778,886.98 is: 74,215,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,830,031.50 : 135,007,120.74 = 53,778,886.98 : x
  2. Step 2: Convert to fraction form
    97,830,031.50/135,007,120.74 = 53,778,886.98/x
  3. Step 3: Cross multiply
    97,830,031.50x = 135,007,120.74 × 53,778,886.98
  4. Step 4: Simplify right side
    97,830,031.50x = 7,260,532,687,771,674
  5. Step 5: Solve for x
    x = 7,260,532,687,771,674/97,830,031.50
  6. Step 6: Final answer
    x = 74,215,786.06

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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.