Home / 191,506,448.90-287,259,673.35-133,055,812.10

Finding the Fourth Proportional to 191,506,448.90, 287,259,673.35 and 133,055,812.10

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Solution

The fourth proportional to 191,506,448.90, 287,259,673.35 and 133,055,812.10 is: 199,583,718.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,506,448.90 : 287,259,673.35 = 133,055,812.10 : x
  2. Step 2: Convert to fraction form
    191,506,448.90/287,259,673.35 = 133,055,812.10/x
  3. Step 3: Cross multiply
    191,506,448.90x = 287,259,673.35 × 133,055,812.10
  4. Step 4: Simplify right side
    191,506,448.90x = 38,221,569,121,164,976
  5. Step 5: Solve for x
    x = 38,221,569,121,164,976/191,506,448.90
  6. Step 6: Final answer
    x = 199,583,718.15

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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.