Home / 114,973,681,278.40-172,460,521,917.60-77,316,409,747.60

Finding the Fourth Proportional to 114,973,681,278.40, 172,460,521,917.60 and 77,316,409,747.60

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Solution

The fourth proportional to 114,973,681,278.40, 172,460,521,917.60 and 77,316,409,747.60 is: 115,974,614,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,973,681,278.40 : 172,460,521,917.60 = 77,316,409,747.60 : x
  2. Step 2: Convert to fraction form
    114,973,681,278.40/172,460,521,917.60 = 77,316,409,747.60/x
  3. Step 3: Cross multiply
    114,973,681,278.40x = 172,460,521,917.60 × 77,316,409,747.60
  4. Step 4: Simplify right side
    114,973,681,278.40x = 13,334,028,377,866,113,122,304
  5. Step 5: Solve for x
    x = 13,334,028,377,866,113,122,304/114,973,681,278.40
  6. Step 6: Final answer
    x = 115,974,614,621.40

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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.