Home / 106,762,227,845.31-147,322,136,417.05-63,351,031,985.78

Finding the Fourth Proportional to 106,762,227,845.31, 147,322,136,417.05 and 63,351,031,985.78

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Solution

The fourth proportional to 106,762,227,845.31, 147,322,136,417.05 and 63,351,031,985.78 is: 87,418,645,758.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,762,227,845.31 : 147,322,136,417.05 = 63,351,031,985.78 : x
  2. Step 2: Convert to fraction form
    106,762,227,845.31/147,322,136,417.05 = 63,351,031,985.78/x
  3. Step 3: Cross multiply
    106,762,227,845.31x = 147,322,136,417.05 × 63,351,031,985.78
  4. Step 4: Simplify right side
    106,762,227,845.31x = 9,333,009,376,369,241,489,408
  5. Step 5: Solve for x
    x = 9,333,009,376,369,241,489,408/106,762,227,845.31
  6. Step 6: Final answer
    x = 87,418,645,758.24

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1.5x scale

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.