Home / 65,172,664.80-97,758,997.20-42,497,848.80

Finding the Fourth Proportional to 65,172,664.80, 97,758,997.20 and 42,497,848.80

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Solution

The fourth proportional to 65,172,664.80, 97,758,997.20 and 42,497,848.80 is: 63,746,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,172,664.80 : 97,758,997.20 = 42,497,848.80 : x
  2. Step 2: Convert to fraction form
    65,172,664.80/97,758,997.20 = 42,497,848.80/x
  3. Step 3: Cross multiply
    65,172,664.80x = 97,758,997.20 × 42,497,848.80
  4. Step 4: Simplify right side
    65,172,664.80x = 4,154,547,081,845,223
  5. Step 5: Solve for x
    x = 4,154,547,081,845,223/65,172,664.80
  6. Step 6: Final answer
    x = 63,746,773.20

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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.