Home / 99,355,945.65-137,111,211.32-55,301,996.13

Finding the Fourth Proportional to 99,355,945.65, 137,111,211.32 and 55,301,996.13

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Solution

The fourth proportional to 99,355,945.65, 137,111,211.32 and 55,301,996.13 is: 76,316,758.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,355,945.65 : 137,111,211.32 = 55,301,996.13 : x
  2. Step 2: Convert to fraction form
    99,355,945.65/137,111,211.32 = 55,301,996.13/x
  3. Step 3: Cross multiply
    99,355,945.65x = 137,111,211.32 × 55,301,996.13
  4. Step 4: Simplify right side
    99,355,945.65x = 7,582,523,677,798,252
  5. Step 5: Solve for x
    x = 7,582,523,677,798,252/99,355,945.65
  6. Step 6: Final answer
    x = 76,316,758.18

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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.