Home / 153,233,528.80-211,466,764.56-83,623,404.64

Finding the Fourth Proportional to 153,233,528.80, 211,466,764.56 and 83,623,404.64

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Solution

The fourth proportional to 153,233,528.80, 211,466,764.56 and 83,623,404.64 is: 115,402,751.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,233,528.80 : 211,466,764.56 = 83,623,404.64 : x
  2. Step 2: Convert to fraction form
    153,233,528.80/211,466,764.56 = 83,623,404.64/x
  3. Step 3: Cross multiply
    153,233,528.80x = 211,466,764.56 × 83,623,404.64
  4. Step 4: Simplify right side
    153,233,528.80x = 17,683,570,820,712,492
  5. Step 5: Solve for x
    x = 17,683,570,820,712,492/153,233,528.80
  6. Step 6: Final answer
    x = 115,402,751.34

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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.