Home / 85,937,655.47-118,368,051.89-66,053,395.98

Finding the Fourth Proportional to 85,937,655.47, 118,368,051.89 and 66,053,395.98

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Solution

The fourth proportional to 85,937,655.47, 118,368,051.89 and 66,053,395.98 is: 90,980,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,937,655.47 : 118,368,051.89 = 66,053,395.98 : x
  2. Step 2: Convert to fraction form
    85,937,655.47/118,368,051.89 = 66,053,395.98/x
  3. Step 3: Cross multiply
    85,937,655.47x = 118,368,051.89 × 66,053,395.98
  4. Step 4: Simplify right side
    85,937,655.47x = 7,818,611,802,541,090
  5. Step 5: Solve for x
    x = 7,818,611,802,541,090/85,937,655.47
  6. Step 6: Final answer
    x = 90,980,045.48

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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.