Home / 191,506,654.40-287,259,981.60-133,056,017.60

Finding the Fourth Proportional to 191,506,654.40, 287,259,981.60 and 133,056,017.60

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Solution

The fourth proportional to 191,506,654.40, 287,259,981.60 and 133,056,017.60 is: 199,584,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,506,654.40 : 287,259,981.60 = 133,056,017.60 : x
  2. Step 2: Convert to fraction form
    191,506,654.40/287,259,981.60 = 133,056,017.60/x
  3. Step 3: Cross multiply
    191,506,654.40x = 287,259,981.60 × 133,056,017.60
  4. Step 4: Simplify right side
    191,506,654.40x = 38,221,669,167,545,280
  5. Step 5: Solve for x
    x = 38,221,669,167,545,280/191,506,654.40
  6. Step 6: Final answer
    x = 199,584,026.40

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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.