Home / 153,924,779.82-212,413,570.94-83,359,818.16

Finding the Fourth Proportional to 153,924,779.82, 212,413,570.94 and 83,359,818.16

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Solution

The fourth proportional to 153,924,779.82, 212,413,570.94 and 83,359,818.16 is: 115,035,127.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,924,779.82 : 212,413,570.94 = 83,359,818.16 : x
  2. Step 2: Convert to fraction form
    153,924,779.82/212,413,570.94 = 83,359,818.16/x
  3. Step 3: Cross multiply
    153,924,779.82x = 212,413,570.94 × 83,359,818.16
  4. Step 4: Simplify right side
    153,924,779.82x = 17,706,756,647,718,618
  5. Step 5: Solve for x
    x = 17,706,756,647,718,618/153,924,779.82
  6. Step 6: Final answer
    x = 115,035,127.34

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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.