Home / 51,721,042.96-77,632,051.44-42,714,889.60

Finding the Fourth Proportional to 51,721,042.96, 77,632,051.44 and 42,714,889.60

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Solution

The fourth proportional to 51,721,042.96, 77,632,051.44 and 42,714,889.60 is: 64,114,030.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,721,042.96 : 77,632,051.44 = 42,714,889.60 : x
  2. Step 2: Convert to fraction form
    51,721,042.96/77,632,051.44 = 42,714,889.60/x
  3. Step 3: Cross multiply
    51,721,042.96x = 77,632,051.44 × 42,714,889.60
  4. Step 4: Simplify right side
    51,721,042.96x = 3,316,044,506,681,121
  5. Step 5: Solve for x
    x = 3,316,044,506,681,121/51,721,042.96
  6. Step 6: Final answer
    x = 64,114,030.13

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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.