Home / 249,113,421.60-373,670,132.40-145,376,138.40

Finding the Fourth Proportional to 249,113,421.60, 373,670,132.40 and 145,376,138.40

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Solution

The fourth proportional to 249,113,421.60, 373,670,132.40 and 145,376,138.40 is: 218,064,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,113,421.60 : 373,670,132.40 = 145,376,138.40 : x
  2. Step 2: Convert to fraction form
    249,113,421.60/373,670,132.40 = 145,376,138.40/x
  3. Step 3: Cross multiply
    249,113,421.60x = 373,670,132.40 × 145,376,138.40
  4. Step 4: Simplify right side
    249,113,421.60x = 54,322,720,883,728,720
  5. Step 5: Solve for x
    x = 54,322,720,883,728,720/249,113,421.60
  6. Step 6: Final answer
    x = 218,064,207.60

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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.