Home / 243,145,547.28-335,541,408.12-131,637,561.48

Finding the Fourth Proportional to 243,145,547.28, 335,541,408.12 and 131,637,561.48

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Solution

The fourth proportional to 243,145,547.28, 335,541,408.12 and 131,637,561.48 is: 181,660,134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,145,547.28 : 335,541,408.12 = 131,637,561.48 : x
  2. Step 2: Convert to fraction form
    243,145,547.28/335,541,408.12 = 131,637,561.48/x
  3. Step 3: Cross multiply
    243,145,547.28x = 335,541,408.12 × 131,637,561.48
  4. Step 4: Simplify right side
    243,145,547.28x = 44,169,852,740,482,272
  5. Step 5: Solve for x
    x = 44,169,852,740,482,272/243,145,547.28
  6. Step 6: Final answer
    x = 181,660,134.16

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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.