Home / 152,697,791.18-210,716,746.74-86,616,870.86

Finding the Fourth Proportional to 152,697,791.18, 210,716,746.74 and 86,616,870.86

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Solution

The fourth proportional to 152,697,791.18, 210,716,746.74 and 86,616,870.86 is: 119,527,761.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,697,791.18 : 210,716,746.74 = 86,616,870.86 : x
  2. Step 2: Convert to fraction form
    152,697,791.18/210,716,746.74 = 86,616,870.86/x
  3. Step 3: Cross multiply
    152,697,791.18x = 210,716,746.74 × 86,616,870.86
  4. Step 4: Simplify right side
    152,697,791.18x = 18,251,625,239,364,324
  5. Step 5: Solve for x
    x = 18,251,625,239,364,324/152,697,791.18
  6. Step 6: Final answer
    x = 119,527,761.99

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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.