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Finding the Fourth Proportional to 47,292,079.30, 70,938,118.95 and 47,292,079.30

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Solution

The fourth proportional to 47,292,079.30, 70,938,118.95 and 47,292,079.30 is: 70,938,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,292,079.30 : 70,938,118.95 = 47,292,079.30 : x
  2. Step 2: Convert to fraction form
    47,292,079.30/70,938,118.95 = 47,292,079.30/x
  3. Step 3: Cross multiply
    47,292,079.30x = 70,938,118.95 × 47,292,079.30
  4. Step 4: Simplify right side
    47,292,079.30x = 3,354,811,146,776,232.50
  5. Step 5: Solve for x
    x = 3,354,811,146,776,232.50/47,292,079.30
  6. Step 6: Final answer
    x = 70,938,118.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.