Home / 91,780,071.60-126,663,903.18-52,625,491.32

Finding the Fourth Proportional to 91,780,071.60, 126,663,903.18 and 52,625,491.32

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Solution

The fourth proportional to 91,780,071.60, 126,663,903.18 and 52,625,491.32 is: 72,627,423.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,780,071.60 : 126,663,903.18 = 52,625,491.32 : x
  2. Step 2: Convert to fraction form
    91,780,071.60/126,663,903.18 = 52,625,491.32/x
  3. Step 3: Cross multiply
    91,780,071.60x = 126,663,903.18 × 52,625,491.32
  4. Step 4: Simplify right side
    91,780,071.60x = 6,665,750,137,356,411
  5. Step 5: Solve for x
    x = 6,665,750,137,356,411/91,780,071.60
  6. Step 6: Final answer
    x = 72,627,423.59

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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.