Home / 118,137,587,105.70-163,029,878,166.87-64,673,559,623.70

Finding the Fourth Proportional to 118,137,587,105.70, 163,029,878,166.87 and 64,673,559,623.70

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Solution

The fourth proportional to 118,137,587,105.70, 163,029,878,166.87 and 64,673,559,623.70 is: 89,249,516,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,137,587,105.70 : 163,029,878,166.87 = 64,673,559,623.70 : x
  2. Step 2: Convert to fraction form
    118,137,587,105.70/163,029,878,166.87 = 64,673,559,623.70/x
  3. Step 3: Cross multiply
    118,137,587,105.70x = 163,029,878,166.87 × 64,673,559,623.70
  4. Step 4: Simplify right side
    118,137,587,105.70x = 10,543,722,546,069,613,051,904
  5. Step 5: Solve for x
    x = 10,543,722,546,069,613,051,904/118,137,587,105.70
  6. Step 6: Final answer
    x = 89,249,516,638.90

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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.