Home / 91,689,591.42-126,602,658.16-70,462,748.50

Finding the Fourth Proportional to 91,689,591.42, 126,602,658.16 and 70,462,748.50

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Solution

The fourth proportional to 91,689,591.42, 126,602,658.16 and 70,462,748.50 is: 97,293,172.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,689,591.42 : 126,602,658.16 = 70,462,748.50 : x
  2. Step 2: Convert to fraction form
    91,689,591.42/126,602,658.16 = 70,462,748.50/x
  3. Step 3: Cross multiply
    91,689,591.42x = 126,602,658.16 × 70,462,748.50
  4. Step 4: Simplify right side
    91,689,591.42x = 8,920,771,260,866,889
  5. Step 5: Solve for x
    x = 8,920,771,260,866,889/91,689,591.42
  6. Step 6: Final answer
    x = 97,293,172.79

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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.