Home / 118,301,644.80-177,153,868.80-77,692,262.40

Finding the Fourth Proportional to 118,301,644.80, 177,153,868.80 and 77,692,262.40

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Solution

The fourth proportional to 118,301,644.80, 177,153,868.80 and 77,692,262.40 is: 116,342,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,301,644.80 : 177,153,868.80 = 77,692,262.40 : x
  2. Step 2: Convert to fraction form
    118,301,644.80/177,153,868.80 = 77,692,262.40/x
  3. Step 3: Cross multiply
    118,301,644.80x = 177,153,868.80 × 77,692,262.40
  4. Step 4: Simplify right side
    118,301,644.80x = 13,763,484,859,984,776
  5. Step 5: Solve for x
    x = 13,763,484,859,984,776/118,301,644.80
  6. Step 6: Final answer
    x = 116,342,295.01

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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.