Home / 242,488,940.36-334,634,871.95-130,979,780.66

Finding the Fourth Proportional to 242,488,940.36, 334,634,871.95 and 130,979,780.66

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Solution

The fourth proportional to 242,488,940.36, 334,634,871.95 and 130,979,780.66 is: 180,752,169.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,488,940.36 : 334,634,871.95 = 130,979,780.66 : x
  2. Step 2: Convert to fraction form
    242,488,940.36/334,634,871.95 = 130,979,780.66/x
  3. Step 3: Cross multiply
    242,488,940.36x = 334,634,871.95 × 130,979,780.66
  4. Step 4: Simplify right side
    242,488,940.36x = 43,830,402,130,362,216
  5. Step 5: Solve for x
    x = 43,830,402,130,362,216/242,488,940.36
  6. Step 6: Final answer
    x = 180,752,169.84

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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.