Home / 77,874,929.28-116,730,019.44-29,331,780

Finding the Fourth Proportional to 77,874,929.28, 116,730,019.44 and 29,331,780

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Solution

The fourth proportional to 77,874,929.28, 116,730,019.44 and 29,331,780 is: 43,966,643.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,874,929.28 : 116,730,019.44 = 29,331,780 : x
  2. Step 2: Convert to fraction form
    77,874,929.28/116,730,019.44 = 29,331,780/x
  3. Step 3: Cross multiply
    77,874,929.28x = 116,730,019.44 × 29,331,780
  4. Step 4: Simplify right side
    77,874,929.28x = 3,423,899,249,609,803
  5. Step 5: Solve for x
    x = 3,423,899,249,609,803/77,874,929.28
  6. Step 6: Final answer
    x = 43,966,643.45

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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.