Home / 114,262,746.45-157,730,839.47-77,143,287.39

Finding the Fourth Proportional to 114,262,746.45, 157,730,839.47 and 77,143,287.39

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Solution

The fourth proportional to 114,262,746.45, 157,730,839.47 and 77,143,287.39 is: 106,490,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,262,746.45 : 157,730,839.47 = 77,143,287.39 : x
  2. Step 2: Convert to fraction form
    114,262,746.45/157,730,839.47 = 77,143,287.39/x
  3. Step 3: Cross multiply
    114,262,746.45x = 157,730,839.47 × 77,143,287.39
  4. Step 4: Simplify right side
    114,262,746.45x = 12,167,875,479,500,166
  5. Step 5: Solve for x
    x = 12,167,875,479,500,166/114,262,746.45
  6. Step 6: Final answer
    x = 106,490,311.65

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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.