Home / 43,164,030.10-64,746,045.15-42,912,087.70

Finding the Fourth Proportional to 43,164,030.10, 64,746,045.15 and 42,912,087.70

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Solution

The fourth proportional to 43,164,030.10, 64,746,045.15 and 42,912,087.70 is: 64,368,131.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,164,030.10 : 64,746,045.15 = 42,912,087.70 : x
  2. Step 2: Convert to fraction form
    43,164,030.10/64,746,045.15 = 42,912,087.70/x
  3. Step 3: Cross multiply
    43,164,030.10x = 64,746,045.15 × 42,912,087.70
  4. Step 4: Simplify right side
    43,164,030.10x = 2,778,387,967,704,960
  5. Step 5: Solve for x
    x = 2,778,387,967,704,960/43,164,030.10
  6. Step 6: Final answer
    x = 64,368,131.55

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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.