Home / 113,762,280-156,947,278.14-66,069,415.60

Finding the Fourth Proportional to 113,762,280, 156,947,278.14 and 66,069,415.60

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Solution

The fourth proportional to 113,762,280, 156,947,278.14 and 66,069,415.60 is: 91,149,851.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,762,280 : 156,947,278.14 = 66,069,415.60 : x
  2. Step 2: Convert to fraction form
    113,762,280/156,947,278.14 = 66,069,415.60/x
  3. Step 3: Cross multiply
    113,762,280x = 156,947,278.14 × 66,069,415.60
  4. Step 4: Simplify right side
    113,762,280x = 10,369,414,946,720,454
  5. Step 5: Solve for x
    x = 10,369,414,946,720,454/113,762,280
  6. Step 6: Final answer
    x = 91,149,851.66

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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.