Home / 115,547,394.65-159,362,428.05-101,578,883.18

Finding the Fourth Proportional to 115,547,394.65, 159,362,428.05 and 101,578,883.18

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Solution

The fourth proportional to 115,547,394.65, 159,362,428.05 and 101,578,883.18 is: 140,097,122.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,547,394.65 : 159,362,428.05 = 101,578,883.18 : x
  2. Step 2: Convert to fraction form
    115,547,394.65/159,362,428.05 = 101,578,883.18/x
  3. Step 3: Cross multiply
    115,547,394.65x = 159,362,428.05 × 101,578,883.18
  4. Step 4: Simplify right side
    115,547,394.65x = 16,187,857,461,375,294
  5. Step 5: Solve for x
    x = 16,187,857,461,375,294/115,547,394.65
  6. Step 6: Final answer
    x = 140,097,122.15

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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.