Home / 217,822,602.51-300,586,445.07-118,701,237.29

Finding the Fourth Proportional to 217,822,602.51, 300,586,445.07 and 118,701,237.29

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Solution

The fourth proportional to 217,822,602.51, 300,586,445.07 and 118,701,237.29 is: 163,802,941.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,822,602.51 : 300,586,445.07 = 118,701,237.29 : x
  2. Step 2: Convert to fraction form
    217,822,602.51/300,586,445.07 = 118,701,237.29/x
  3. Step 3: Cross multiply
    217,822,602.51x = 300,586,445.07 × 118,701,237.29
  4. Step 4: Simplify right side
    217,822,602.51x = 35,679,982,940,908,688
  5. Step 5: Solve for x
    x = 35,679,982,940,908,688/217,822,602.51
  6. Step 6: Final answer
    x = 163,802,941.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.