Home / 70,442,681.66-97,199,937.90-40,266,747.77

Finding the Fourth Proportional to 70,442,681.66, 97,199,937.90 and 40,266,747.77

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Solution

The fourth proportional to 70,442,681.66, 97,199,937.90 and 40,266,747.77 is: 55,561,845.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,442,681.66 : 97,199,937.90 = 40,266,747.77 : x
  2. Step 2: Convert to fraction form
    70,442,681.66/97,199,937.90 = 40,266,747.77/x
  3. Step 3: Cross multiply
    70,442,681.66x = 97,199,937.90 × 40,266,747.77
  4. Step 4: Simplify right side
    70,442,681.66x = 3,913,925,382,678,964
  5. Step 5: Solve for x
    x = 3,913,925,382,678,964/70,442,681.66
  6. Step 6: Final answer
    x = 55,561,845.33

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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.