Home / 191,506,641.40-287,259,962.10-133,056,004.60

Finding the Fourth Proportional to 191,506,641.40, 287,259,962.10 and 133,056,004.60

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Solution

The fourth proportional to 191,506,641.40, 287,259,962.10 and 133,056,004.60 is: 199,584,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,506,641.40 : 287,259,962.10 = 133,056,004.60 : x
  2. Step 2: Convert to fraction form
    191,506,641.40/287,259,962.10 = 133,056,004.60/x
  3. Step 3: Cross multiply
    191,506,641.40x = 287,259,962.10 × 133,056,004.60
  4. Step 4: Simplify right side
    191,506,641.40x = 38,221,662,838,573,424
  5. Step 5: Solve for x
    x = 38,221,662,838,573,424/191,506,641.40
  6. Step 6: Final answer
    x = 199,584,006.90

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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.