Home / 243,590,642.47-336,154,726.92-132,081,280.66

Finding the Fourth Proportional to 243,590,642.47, 336,154,726.92 and 132,081,280.66

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Solution

The fourth proportional to 243,590,642.47, 336,154,726.92 and 132,081,280.66 is: 182,271,972.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,590,642.47 : 336,154,726.92 = 132,081,280.66 : x
  2. Step 2: Convert to fraction form
    243,590,642.47/336,154,726.92 = 132,081,280.66/x
  3. Step 3: Cross multiply
    243,590,642.47x = 336,154,726.92 × 132,081,280.66
  4. Step 4: Simplify right side
    243,590,642.47x = 44,399,746,831,506,176
  5. Step 5: Solve for x
    x = 44,399,746,831,506,176/243,590,642.47
  6. Step 6: Final answer
    x = 182,271,972.28

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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.