Home / 100,013,401,342.20-138,013,425,331.02-59,370,050,108.28

Finding the Fourth Proportional to 100,013,401,342.20, 138,013,425,331.02 and 59,370,050,108.28

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Solution

The fourth proportional to 100,013,401,342.20, 138,013,425,331.02 and 59,370,050,108.28 is: 81,927,660,369.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,013,401,342.20 : 138,013,425,331.02 = 59,370,050,108.28 : x
  2. Step 2: Convert to fraction form
    100,013,401,342.20/138,013,425,331.02 = 59,370,050,108.28/x
  3. Step 3: Cross multiply
    100,013,401,342.20x = 138,013,425,331.02 × 59,370,050,108.28
  4. Step 4: Simplify right side
    100,013,401,342.20x = 8,193,863,977,518,016,495,616
  5. Step 5: Solve for x
    x = 8,193,863,977,518,016,495,616/100,013,401,342.20
  6. Step 6: Final answer
    x = 81,927,660,369.06

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1.5x scale

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.