Home / 151,045,265,267.03-208,443,312,710.18-85,939,690,983.94

Finding the Fourth Proportional to 151,045,265,267.03, 208,443,312,710.18 and 85,939,690,983.94

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Solution

The fourth proportional to 151,045,265,267.03, 208,443,312,710.18 and 85,939,690,983.94 is: 118,597,255,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,045,265,267.03 : 208,443,312,710.18 = 85,939,690,983.94 : x
  2. Step 2: Convert to fraction form
    151,045,265,267.03/208,443,312,710.18 = 85,939,690,983.94/x
  3. Step 3: Cross multiply
    151,045,265,267.03x = 208,443,312,710.18 × 85,939,690,983.94
  4. Step 4: Simplify right side
    151,045,265,267.03x = 17,913,553,881,982,058,889,216
  5. Step 5: Solve for x
    x = 17,913,553,881,982,058,889,216/151,045,265,267.03
  6. Step 6: Final answer
    x = 118,597,255,268.57

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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.