Home / 191,001,201.90-286,501,802.85-54,686,585.40

Finding the Fourth Proportional to 191,001,201.90, 286,501,802.85 and 54,686,585.40

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Solution

The fourth proportional to 191,001,201.90, 286,501,802.85 and 54,686,585.40 is: 82,029,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,001,201.90 : 286,501,802.85 = 54,686,585.40 : x
  2. Step 2: Convert to fraction form
    191,001,201.90/286,501,802.85 = 54,686,585.40/x
  3. Step 3: Cross multiply
    191,001,201.90x = 286,501,802.85 × 54,686,585.40
  4. Step 4: Simplify right side
    191,001,201.90x = 15,667,805,308,810,490
  5. Step 5: Solve for x
    x = 15,667,805,308,810,490/191,001,201.90
  6. Step 6: Final answer
    x = 82,029,878.10

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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.