Home / 98,716,031.16-136,226,448.02-54,662,084.15

Finding the Fourth Proportional to 98,716,031.16, 136,226,448.02 and 54,662,084.15

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Solution

The fourth proportional to 98,716,031.16, 136,226,448.02 and 54,662,084.15 is: 75,432,748.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,716,031.16 : 136,226,448.02 = 54,662,084.15 : x
  2. Step 2: Convert to fraction form
    98,716,031.16/136,226,448.02 = 54,662,084.15/x
  3. Step 3: Cross multiply
    98,716,031.16x = 136,226,448.02 × 54,662,084.15
  4. Step 4: Simplify right side
    98,716,031.16x = 7,446,421,565,003,198
  5. Step 5: Solve for x
    x = 7,446,421,565,003,198/98,716,031.16
  6. Step 6: Final answer
    x = 75,432,748.64

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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.