Home / 90,144,827.76-124,402,678.32-50,985,838.26

Finding the Fourth Proportional to 90,144,827.76, 124,402,678.32 and 50,985,838.26

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Solution

The fourth proportional to 90,144,827.76, 124,402,678.32 and 50,985,838.26 is: 70,362,049.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,144,827.76 : 124,402,678.32 = 50,985,838.26 : x
  2. Step 2: Convert to fraction form
    90,144,827.76/124,402,678.32 = 50,985,838.26/x
  3. Step 3: Cross multiply
    90,144,827.76x = 124,402,678.32 × 50,985,838.26
  4. Step 4: Simplify right side
    90,144,827.76x = 6,342,774,835,934,328
  5. Step 5: Solve for x
    x = 6,342,774,835,934,328/90,144,827.76
  6. Step 6: Final answer
    x = 70,362,049.53

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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.