Home / 103,274,703.15-142,521,646.02-56,234,355.45

Finding the Fourth Proportional to 103,274,703.15, 142,521,646.02 and 56,234,355.45

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Solution

The fourth proportional to 103,274,703.15, 142,521,646.02 and 56,234,355.45 is: 77,604,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,274,703.15 : 142,521,646.02 = 56,234,355.45 : x
  2. Step 2: Convert to fraction form
    103,274,703.15/142,521,646.02 = 56,234,355.45/x
  3. Step 3: Cross multiply
    103,274,703.15x = 142,521,646.02 × 56,234,355.45
  4. Step 4: Simplify right side
    103,274,703.15x = 8,014,612,901,607,759
  5. Step 5: Solve for x
    x = 8,014,612,901,607,759/103,274,703.15
  6. Step 6: Final answer
    x = 77,604,802.12

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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.