Home / 186,693,987.40-280,038,728.40-48,507,366.94

Finding the Fourth Proportional to 186,693,987.40, 280,038,728.40 and 48,507,366.94

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Solution

The fourth proportional to 186,693,987.40, 280,038,728.40 and 48,507,366.94 is: 72,760,465.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,693,987.40 : 280,038,728.40 = 48,507,366.94 : x
  2. Step 2: Convert to fraction form
    186,693,987.40/280,038,728.40 = 48,507,366.94/x
  3. Step 3: Cross multiply
    186,693,987.40x = 280,038,728.40 × 48,507,366.94
  4. Step 4: Simplify right side
    186,693,987.40x = 13,583,941,355,909,798
  5. Step 5: Solve for x
    x = 13,583,941,355,909,798/186,693,987.40
  6. Step 6: Final answer
    x = 72,760,465.11

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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.