Home / 162,289,818,970.38-223,960,213,646.82-90,031,885,686.36

Finding the Fourth Proportional to 162,289,818,970.38, 223,960,213,646.82 and 90,031,885,686.36

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Solution

The fourth proportional to 162,289,818,970.38, 223,960,213,646.82 and 90,031,885,686.36 is: 124,244,148,408.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,289,818,970.38 : 223,960,213,646.82 = 90,031,885,686.36 : x
  2. Step 2: Convert to fraction form
    162,289,818,970.38/223,960,213,646.82 = 90,031,885,686.36/x
  3. Step 3: Cross multiply
    162,289,818,970.38x = 223,960,213,646.82 × 90,031,885,686.36
  4. Step 4: Simplify right side
    162,289,818,970.38x = 20,163,560,353,343,261,900,800
  5. Step 5: Solve for x
    x = 20,163,560,353,343,261,900,800/162,289,818,970.38
  6. Step 6: Final answer
    x = 124,244,148,408.49

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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.