Home / 57,316,973.84-79,097,429.16-31,211,484.08

Finding the Fourth Proportional to 57,316,973.84, 79,097,429.16 and 31,211,484.08

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Solution

The fourth proportional to 57,316,973.84, 79,097,429.16 and 31,211,484.08 is: 43,071,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,316,973.84 : 79,097,429.16 = 31,211,484.08 : x
  2. Step 2: Convert to fraction form
    57,316,973.84/79,097,429.16 = 31,211,484.08/x
  3. Step 3: Cross multiply
    57,316,973.84x = 79,097,429.16 × 31,211,484.08
  4. Step 4: Simplify right side
    57,316,973.84x = 2,468,748,150,996,267.50
  5. Step 5: Solve for x
    x = 2,468,748,150,996,267.50/57,316,973.84
  6. Step 6: Final answer
    x = 43,071,850.90

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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.