Home / 292,791,622.77-439,260,124.53-145,308,399.98

Finding the Fourth Proportional to 292,791,622.77, 439,260,124.53 and 145,308,399.98

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Solution

The fourth proportional to 292,791,622.77, 439,260,124.53 and 145,308,399.98 is: 217,998,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,791,622.77 : 439,260,124.53 = 145,308,399.98 : x
  2. Step 2: Convert to fraction form
    292,791,622.77/439,260,124.53 = 145,308,399.98/x
  3. Step 3: Cross multiply
    292,791,622.77x = 439,260,124.53 × 145,308,399.98
  4. Step 4: Simplify right side
    292,791,622.77x = 63,828,185,868,273,544
  5. Step 5: Solve for x
    x = 63,828,185,868,273,544/292,791,622.77
  6. Step 6: Final answer
    x = 217,998,675.18

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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.