Home / 163,725,783.80-245,588,675.70-77,632,341.80

Finding the Fourth Proportional to 163,725,783.80, 245,588,675.70 and 77,632,341.80

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Solution

The fourth proportional to 163,725,783.80, 245,588,675.70 and 77,632,341.80 is: 116,448,512.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,725,783.80 : 245,588,675.70 = 77,632,341.80 : x
  2. Step 2: Convert to fraction form
    163,725,783.80/245,588,675.70 = 77,632,341.80/x
  3. Step 3: Cross multiply
    163,725,783.80x = 245,588,675.70 × 77,632,341.80
  4. Step 4: Simplify right side
    163,725,783.80x = 19,065,624,014,151,752
  5. Step 5: Solve for x
    x = 19,065,624,014,151,752/163,725,783.80
  6. Step 6: Final answer
    x = 116,448,512.70

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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.