Home / 186,947,787.60-280,421,681.40-155,097,291.60

Finding the Fourth Proportional to 186,947,787.60, 280,421,681.40 and 155,097,291.60

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Solution

The fourth proportional to 186,947,787.60, 280,421,681.40 and 155,097,291.60 is: 232,645,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,947,787.60 : 280,421,681.40 = 155,097,291.60 : x
  2. Step 2: Convert to fraction form
    186,947,787.60/280,421,681.40 = 155,097,291.60/x
  3. Step 3: Cross multiply
    186,947,787.60x = 280,421,681.40 × 155,097,291.60
  4. Step 4: Simplify right side
    186,947,787.60x = 43,492,643,291,058,088
  5. Step 5: Solve for x
    x = 43,492,643,291,058,088/186,947,787.60
  6. Step 6: Final answer
    x = 232,645,937.40

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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.