Home / 70,767,380.43-97,662,127.28-39,829,553.55

Finding the Fourth Proportional to 70,767,380.43, 97,662,127.28 and 39,829,553.55

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Solution

The fourth proportional to 70,767,380.43, 97,662,127.28 and 39,829,553.55 is: 54,966,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,767,380.43 : 97,662,127.28 = 39,829,553.55 : x
  2. Step 2: Convert to fraction form
    70,767,380.43/97,662,127.28 = 39,829,553.55/x
  3. Step 3: Cross multiply
    70,767,380.43x = 97,662,127.28 × 39,829,553.55
  4. Step 4: Simplify right side
    70,767,380.43x = 3,889,838,928,106,528
  5. Step 5: Solve for x
    x = 3,889,838,928,106,528/70,767,380.43
  6. Step 6: Final answer
    x = 54,966,552.45

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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.