Home / 119,347,686,415.84-164,698,969,404.72-65,154,235,044.64

Finding the Fourth Proportional to 119,347,686,415.84, 164,698,969,404.72 and 65,154,235,044.64

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Solution

The fourth proportional to 119,347,686,415.84, 164,698,969,404.72 and 65,154,235,044.64 is: 89,912,386,963.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,347,686,415.84 : 164,698,969,404.72 = 65,154,235,044.64 : x
  2. Step 2: Convert to fraction form
    119,347,686,415.84/164,698,969,404.72 = 65,154,235,044.64/x
  3. Step 3: Cross multiply
    119,347,686,415.84x = 164,698,969,404.72 × 65,154,235,044.64
  4. Step 4: Simplify right side
    119,347,686,415.84x = 10,730,835,364,205,098,434,560
  5. Step 5: Solve for x
    x = 10,730,835,364,205,098,434,560/119,347,686,415.84
  6. Step 6: Final answer
    x = 89,912,386,963.38

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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.