Home / 191,587,613.04-287,563,106.88-118,583,563.68

Finding the Fourth Proportional to 191,587,613.04, 287,563,106.88 and 118,583,563.68

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Solution

The fourth proportional to 191,587,613.04, 287,563,106.88 and 118,583,563.68 is: 177,987,801.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,587,613.04 : 287,563,106.88 = 118,583,563.68 : x
  2. Step 2: Convert to fraction form
    191,587,613.04/287,563,106.88 = 118,583,563.68/x
  3. Step 3: Cross multiply
    191,587,613.04x = 287,563,106.88 × 118,583,563.68
  4. Step 4: Simplify right side
    191,587,613.04x = 34,100,257,996,723,128
  5. Step 5: Solve for x
    x = 34,100,257,996,723,128/191,587,613.04
  6. Step 6: Final answer
    x = 177,987,801.28

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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.