Home / 194,701,339.20-292,152,669.12-85,603,048.32

Finding the Fourth Proportional to 194,701,339.20, 292,152,669.12 and 85,603,048.32

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Solution

The fourth proportional to 194,701,339.20, 292,152,669.12 and 85,603,048.32 is: 128,448,829.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,701,339.20 : 292,152,669.12 = 85,603,048.32 : x
  2. Step 2: Convert to fraction form
    194,701,339.20/292,152,669.12 = 85,603,048.32/x
  3. Step 3: Cross multiply
    194,701,339.20x = 292,152,669.12 × 85,603,048.32
  4. Step 4: Simplify right side
    194,701,339.20x = 25,009,159,051,496,332
  5. Step 5: Solve for x
    x = 25,009,159,051,496,332/194,701,339.20
  6. Step 6: Final answer
    x = 128,448,829.14

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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.