Home / 98,688,001.70-148,032,002.55-97,008,385.70

Finding the Fourth Proportional to 98,688,001.70, 148,032,002.55 and 97,008,385.70

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Solution

The fourth proportional to 98,688,001.70, 148,032,002.55 and 97,008,385.70 is: 145,512,578.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,688,001.70 : 148,032,002.55 = 97,008,385.70 : x
  2. Step 2: Convert to fraction form
    98,688,001.70/148,032,002.55 = 97,008,385.70/x
  3. Step 3: Cross multiply
    98,688,001.70x = 148,032,002.55 × 97,008,385.70
  4. Step 4: Simplify right side
    98,688,001.70x = 14,360,345,599,313,786
  5. Step 5: Solve for x
    x = 14,360,345,599,313,786/98,688,001.70
  6. Step 6: Final answer
    x = 145,512,578.55

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Similar ratio
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1.5x scale

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.