Home / 216,779,681.54-299,155,202.79-117,660,423.48

Finding the Fourth Proportional to 216,779,681.54, 299,155,202.79 and 117,660,423.48

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Solution

The fourth proportional to 216,779,681.54, 299,155,202.79 and 117,660,423.48 is: 162,370,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,779,681.54 : 299,155,202.79 = 117,660,423.48 : x
  2. Step 2: Convert to fraction form
    216,779,681.54/299,155,202.79 = 117,660,423.48/x
  3. Step 3: Cross multiply
    216,779,681.54x = 299,155,202.79 × 117,660,423.48
  4. Step 4: Simplify right side
    216,779,681.54x = 35,198,727,846,516,680
  5. Step 5: Solve for x
    x = 35,198,727,846,516,680/216,779,681.54
  6. Step 6: Final answer
    x = 162,370,973.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.