Home / 206,989,510.80-310,484,266.20-61,445,535.60

Finding the Fourth Proportional to 206,989,510.80, 310,484,266.20 and 61,445,535.60

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Solution

The fourth proportional to 206,989,510.80, 310,484,266.20 and 61,445,535.60 is: 92,168,303.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,989,510.80 : 310,484,266.20 = 61,445,535.60 : x
  2. Step 2: Convert to fraction form
    206,989,510.80/310,484,266.20 = 61,445,535.60/x
  3. Step 3: Cross multiply
    206,989,510.80x = 310,484,266.20 × 61,445,535.60
  4. Step 4: Simplify right side
    206,989,510.80x = 19,077,872,032,031,976
  5. Step 5: Solve for x
    x = 19,077,872,032,031,976/206,989,510.80
  6. Step 6: Final answer
    x = 92,168,303.40

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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.