Home / 186,994,705.60-280,492,058.40-155,144,209.60

Finding the Fourth Proportional to 186,994,705.60, 280,492,058.40 and 155,144,209.60

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Solution

The fourth proportional to 186,994,705.60, 280,492,058.40 and 155,144,209.60 is: 232,716,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,994,705.60 : 280,492,058.40 = 155,144,209.60 : x
  2. Step 2: Convert to fraction form
    186,994,705.60/280,492,058.40 = 155,144,209.60/x
  3. Step 3: Cross multiply
    186,994,705.60x = 280,492,058.40 × 155,144,209.60
  4. Step 4: Simplify right side
    186,994,705.60x = 43,516,718,699,545,032
  5. Step 5: Solve for x
    x = 43,516,718,699,545,032/186,994,705.60
  6. Step 6: Final answer
    x = 232,716,314.40

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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.