Home / 91,782,433.74-126,668,908.10-68,537,204.40

Finding the Fourth Proportional to 91,782,433.74, 126,668,908.10 and 68,537,204.40

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Solution

The fourth proportional to 91,782,433.74, 126,668,908.10 and 68,537,204.40 is: 94,588,174.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,782,433.74 : 126,668,908.10 = 68,537,204.40 : x
  2. Step 2: Convert to fraction form
    91,782,433.74/126,668,908.10 = 68,537,204.40/x
  3. Step 3: Cross multiply
    91,782,433.74x = 126,668,908.10 × 68,537,204.40
  4. Step 4: Simplify right side
    91,782,433.74x = 8,681,532,845,574,516
  5. Step 5: Solve for x
    x = 8,681,532,845,574,516/91,782,433.74
  6. Step 6: Final answer
    x = 94,588,174.36

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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.