Home / 292,138,126.61-438,234,128.48-95,402,570.92

Finding the Fourth Proportional to 292,138,126.61, 438,234,128.48 and 95,402,570.92

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Solution

The fourth proportional to 292,138,126.61, 438,234,128.48 and 95,402,570.92 is: 143,112,653.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,138,126.61 : 438,234,128.48 = 95,402,570.92 : x
  2. Step 2: Convert to fraction form
    292,138,126.61/438,234,128.48 = 95,402,570.92/x
  3. Step 3: Cross multiply
    292,138,126.61x = 438,234,128.48 × 95,402,570.92
  4. Step 4: Simplify right side
    292,138,126.61x = 41,808,662,522,742,136
  5. Step 5: Solve for x
    x = 41,808,662,522,742,136/292,138,126.61
  6. Step 6: Final answer
    x = 143,112,653.62

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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.