Home / 194,688,020.40-292,032,030.60-118,097,530.80

Finding the Fourth Proportional to 194,688,020.40, 292,032,030.60 and 118,097,530.80

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Solution

The fourth proportional to 194,688,020.40, 292,032,030.60 and 118,097,530.80 is: 177,146,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,688,020.40 : 292,032,030.60 = 118,097,530.80 : x
  2. Step 2: Convert to fraction form
    194,688,020.40/292,032,030.60 = 118,097,530.80/x
  3. Step 3: Cross multiply
    194,688,020.40x = 292,032,030.60 × 118,097,530.80
  4. Step 4: Simplify right side
    194,688,020.40x = 34,488,261,728,370,044
  5. Step 5: Solve for x
    x = 34,488,261,728,370,044/194,688,020.40
  6. Step 6: Final answer
    x = 177,146,296.20

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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.