Home / 161,702,139.20-242,553,208.80-64,672,822.40

Finding the Fourth Proportional to 161,702,139.20, 242,553,208.80 and 64,672,822.40

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Solution

The fourth proportional to 161,702,139.20, 242,553,208.80 and 64,672,822.40 is: 97,009,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,702,139.20 : 242,553,208.80 = 64,672,822.40 : x
  2. Step 2: Convert to fraction form
    161,702,139.20/242,553,208.80 = 64,672,822.40/x
  3. Step 3: Cross multiply
    161,702,139.20x = 242,553,208.80 × 64,672,822.40
  4. Step 4: Simplify right side
    161,702,139.20x = 15,686,600,595,272,518
  5. Step 5: Solve for x
    x = 15,686,600,595,272,518/161,702,139.20
  6. Step 6: Final answer
    x = 97,009,233.60

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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.