Home / 249,357,701.40-373,280,724.90-188,387,640.60

Finding the Fourth Proportional to 249,357,701.40, 373,280,724.90 and 188,387,640.60

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Solution

The fourth proportional to 249,357,701.40, 373,280,724.90 and 188,387,640.60 is: 282,010,439.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,357,701.40 : 373,280,724.90 = 188,387,640.60 : x
  2. Step 2: Convert to fraction form
    249,357,701.40/373,280,724.90 = 188,387,640.60/x
  3. Step 3: Cross multiply
    249,357,701.40x = 373,280,724.90 × 188,387,640.60
  4. Step 4: Simplify right side
    249,357,701.40x = 70,321,475,045,368,664
  5. Step 5: Solve for x
    x = 70,321,475,045,368,664/249,357,701.40
  6. Step 6: Final answer
    x = 282,010,439.82

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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.