Home / 77,343,053.30-106,731,283.63-42,535,756.38

Finding the Fourth Proportional to 77,343,053.30, 106,731,283.63 and 42,535,756.38

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Solution

The fourth proportional to 77,343,053.30, 106,731,283.63 and 42,535,756.38 is: 58,698,172.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,343,053.30 : 106,731,283.63 = 42,535,756.38 : x
  2. Step 2: Convert to fraction form
    77,343,053.30/106,731,283.63 = 42,535,756.38/x
  3. Step 3: Cross multiply
    77,343,053.30x = 106,731,283.63 × 42,535,756.38
  4. Step 4: Simplify right side
    77,343,053.30x = 4,539,895,878,610,362
  5. Step 5: Solve for x
    x = 4,539,895,878,610,362/77,343,053.30
  6. Step 6: Final answer
    x = 58,698,172.43

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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.