Home / 166,478,428.80-249,717,643.20-163,077,206.40

Finding the Fourth Proportional to 166,478,428.80, 249,717,643.20 and 163,077,206.40

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Solution

The fourth proportional to 166,478,428.80, 249,717,643.20 and 163,077,206.40 is: 244,615,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,478,428.80 : 249,717,643.20 = 163,077,206.40 : x
  2. Step 2: Convert to fraction form
    166,478,428.80/249,717,643.20 = 163,077,206.40/x
  3. Step 3: Cross multiply
    166,478,428.80x = 249,717,643.20 × 163,077,206.40
  4. Step 4: Simplify right side
    166,478,428.80x = 40,723,255,641,847,960
  5. Step 5: Solve for x
    x = 40,723,255,641,847,960/166,478,428.80
  6. Step 6: Final answer
    x = 244,615,809.60

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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.