Home / 115,547,478.76-159,362,544.36-101,578,967.16

Finding the Fourth Proportional to 115,547,478.76, 159,362,544.36 and 101,578,967.16

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Solution

The fourth proportional to 115,547,478.76, 159,362,544.36 and 101,578,967.16 is: 140,097,238.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,547,478.76 : 159,362,544.36 = 101,578,967.16 : x
  2. Step 2: Convert to fraction form
    115,547,478.76/159,362,544.36 = 101,578,967.16/x
  3. Step 3: Cross multiply
    115,547,478.76x = 159,362,544.36 × 101,578,967.16
  4. Step 4: Simplify right side
    115,547,478.76x = 16,187,882,660,078,484
  5. Step 5: Solve for x
    x = 16,187,882,660,078,484/115,547,478.76
  6. Step 6: Final answer
    x = 140,097,238.24

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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.