Home / 114,973,681,279.40-172,460,521,919.10-77,316,409,748.60

Finding the Fourth Proportional to 114,973,681,279.40, 172,460,521,919.10 and 77,316,409,748.60

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Solution

The fourth proportional to 114,973,681,279.40, 172,460,521,919.10 and 77,316,409,748.60 is: 115,974,614,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,973,681,279.40 : 172,460,521,919.10 = 77,316,409,748.60 : x
  2. Step 2: Convert to fraction form
    114,973,681,279.40/172,460,521,919.10 = 77,316,409,748.60/x
  3. Step 3: Cross multiply
    114,973,681,279.40x = 172,460,521,919.10 × 77,316,409,748.60
  4. Step 4: Simplify right side
    114,973,681,279.40x = 13,334,028,378,154,549,116,928
  5. Step 5: Solve for x
    x = 13,334,028,378,154,549,116,928/114,973,681,279.40
  6. Step 6: Final answer
    x = 115,974,614,622.90

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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.