Home / 98,470,588-147,573,852.32-76,637,331.28

Finding the Fourth Proportional to 98,470,588, 147,573,852.32 and 76,637,331.28

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Solution

The fourth proportional to 98,470,588, 147,573,852.32 and 76,637,331.28 is: 114,853,241.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,470,588 : 147,573,852.32 = 76,637,331.28 : x
  2. Step 2: Convert to fraction form
    98,470,588/147,573,852.32 = 76,637,331.28/x
  3. Step 3: Cross multiply
    98,470,588x = 147,573,852.32 × 76,637,331.28
  4. Step 4: Simplify right side
    98,470,588x = 11,309,666,208,513,636
  5. Step 5: Solve for x
    x = 11,309,666,208,513,636/98,470,588
  6. Step 6: Final answer
    x = 114,853,241.34

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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.