Home / 216,779,223.50-299,154,573.93-117,659,970.57

Finding the Fourth Proportional to 216,779,223.50, 299,154,573.93 and 117,659,970.57

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Solution

The fourth proportional to 216,779,223.50, 299,154,573.93 and 117,659,970.57 is: 162,370,349.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,779,223.50 : 299,154,573.93 = 117,659,970.57 : x
  2. Step 2: Convert to fraction form
    216,779,223.50/299,154,573.93 = 117,659,970.57/x
  3. Step 3: Cross multiply
    216,779,223.50x = 299,154,573.93 × 117,659,970.57
  4. Step 4: Simplify right side
    216,779,223.50x = 35,198,518,364,484,688
  5. Step 5: Solve for x
    x = 35,198,518,364,484,688/216,779,223.50
  6. Step 6: Final answer
    x = 162,370,349.87

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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.