Home / 308,875,569.32-463,310,425.01-78,841,479.08

Finding the Fourth Proportional to 308,875,569.32, 463,310,425.01 and 78,841,479.08

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Solution

The fourth proportional to 308,875,569.32, 463,310,425.01 and 78,841,479.08 is: 118,261,470.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,875,569.32 : 463,310,425.01 = 78,841,479.08 : x
  2. Step 2: Convert to fraction form
    308,875,569.32/463,310,425.01 = 78,841,479.08/x
  3. Step 3: Cross multiply
    308,875,569.32x = 463,310,425.01 × 78,841,479.08
  4. Step 4: Simplify right side
    308,875,569.32x = 36,528,079,178,261,064
  5. Step 5: Solve for x
    x = 36,528,079,178,261,064/308,875,569.32
  6. Step 6: Final answer
    x = 118,261,470.98

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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.