Home / 72,174,752.15-99,603,116.42-40,817,490.26

Finding the Fourth Proportional to 72,174,752.15, 99,603,116.42 and 40,817,490.26

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Solution

The fourth proportional to 72,174,752.15, 99,603,116.42 and 40,817,490.26 is: 56,329,244.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,174,752.15 : 99,603,116.42 = 40,817,490.26 : x
  2. Step 2: Convert to fraction form
    72,174,752.15/99,603,116.42 = 40,817,490.26/x
  3. Step 3: Cross multiply
    72,174,752.15x = 99,603,116.42 × 40,817,490.26
  4. Step 4: Simplify right side
    72,174,752.15x = 4,065,549,233,636,893.50
  5. Step 5: Solve for x
    x = 4,065,549,233,636,893.50/72,174,752.15
  6. Step 6: Final answer
    x = 56,329,244.13

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1.5x scale

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.