Home / 99,306,692.69-137,041,088.49-57,492,521.15

Finding the Fourth Proportional to 99,306,692.69, 137,041,088.49 and 57,492,521.15

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Solution

The fourth proportional to 99,306,692.69, 137,041,088.49 and 57,492,521.15 is: 79,338,435.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,306,692.69 : 137,041,088.49 = 57,492,521.15 : x
  2. Step 2: Convert to fraction form
    99,306,692.69/137,041,088.49 = 57,492,521.15/x
  3. Step 3: Cross multiply
    99,306,692.69x = 137,041,088.49 × 57,492,521.15
  4. Step 4: Simplify right side
    99,306,692.69x = 7,878,837,677,745,142
  5. Step 5: Solve for x
    x = 7,878,837,677,745,142/99,306,692.69
  6. Step 6: Final answer
    x = 79,338,435.96

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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.