Home / 249,445,621.60-373,969,366.80-105,720,258.40

Finding the Fourth Proportional to 249,445,621.60, 373,969,366.80 and 105,720,258.40

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Solution

The fourth proportional to 249,445,621.60, 373,969,366.80 and 105,720,258.40 is: 158,496,019.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,445,621.60 : 373,969,366.80 = 105,720,258.40 : x
  2. Step 2: Convert to fraction form
    249,445,621.60/373,969,366.80 = 105,720,258.40/x
  3. Step 3: Cross multiply
    249,445,621.60x = 373,969,366.80 × 105,720,258.40
  4. Step 4: Simplify right side
    249,445,621.60x = 39,536,138,091,780,384
  5. Step 5: Solve for x
    x = 39,536,138,091,780,384/249,445,621.60
  6. Step 6: Final answer
    x = 158,496,019.45

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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.