Home / 67,543,640.12-93,210,303.10-36,603,809.40

Finding the Fourth Proportional to 67,543,640.12, 93,210,303.10 and 36,603,809.40

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Solution

The fourth proportional to 67,543,640.12, 93,210,303.10 and 36,603,809.40 is: 50,513,300.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,543,640.12 : 93,210,303.10 = 36,603,809.40 : x
  2. Step 2: Convert to fraction form
    67,543,640.12/93,210,303.10 = 36,603,809.40/x
  3. Step 3: Cross multiply
    67,543,640.12x = 93,210,303.10 × 36,603,809.40
  4. Step 4: Simplify right side
    67,543,640.12x = 3,411,852,169,115,290.50
  5. Step 5: Solve for x
    x = 3,411,852,169,115,290.50/67,543,640.12
  6. Step 6: Final answer
    x = 50,513,300.19

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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.