Home / 105,062,477.62-157,655,127.39-75,887,547.70

Finding the Fourth Proportional to 105,062,477.62, 157,655,127.39 and 75,887,547.70

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Solution

The fourth proportional to 105,062,477.62, 157,655,127.39 and 75,887,547.70 is: 113,875,679.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,062,477.62 : 157,655,127.39 = 75,887,547.70 : x
  2. Step 2: Convert to fraction form
    105,062,477.62/157,655,127.39 = 75,887,547.70/x
  3. Step 3: Cross multiply
    105,062,477.62x = 157,655,127.39 × 75,887,547.70
  4. Step 4: Simplify right side
    105,062,477.62x = 11,964,061,000,155,270
  5. Step 5: Solve for x
    x = 11,964,061,000,155,270/105,062,477.62
  6. Step 6: Final answer
    x = 113,875,679.22

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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.