Home / 91,891,814.95-126,835,191.82-54,248,077.45

Finding the Fourth Proportional to 91,891,814.95, 126,835,191.82 and 54,248,077.45

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Solution

The fourth proportional to 91,891,814.95, 126,835,191.82 and 54,248,077.45 is: 74,876,802.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,891,814.95 : 126,835,191.82 = 54,248,077.45 : x
  2. Step 2: Convert to fraction form
    91,891,814.95/126,835,191.82 = 54,248,077.45/x
  3. Step 3: Cross multiply
    91,891,814.95x = 126,835,191.82 × 54,248,077.45
  4. Step 4: Simplify right side
    91,891,814.95x = 6,880,565,309,158,447
  5. Step 5: Solve for x
    x = 6,880,565,309,158,447/91,891,814.95
  6. Step 6: Final answer
    x = 74,876,802.82

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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.