Home / 161,777,962.20-242,666,943.30-64,748,645.40

Finding the Fourth Proportional to 161,777,962.20, 242,666,943.30 and 64,748,645.40

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Solution

The fourth proportional to 161,777,962.20, 242,666,943.30 and 64,748,645.40 is: 97,122,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,777,962.20 : 242,666,943.30 = 64,748,645.40 : x
  2. Step 2: Convert to fraction form
    161,777,962.20/242,666,943.30 = 64,748,645.40/x
  3. Step 3: Cross multiply
    161,777,962.20x = 242,666,943.30 × 64,748,645.40
  4. Step 4: Simplify right side
    161,777,962.20x = 15,712,355,862,033,606
  5. Step 5: Solve for x
    x = 15,712,355,862,033,606/161,777,962.20
  6. Step 6: Final answer
    x = 97,122,968.10

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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.