Home / 134,636,994.58-185,791,045.19-78,117,362.02

Finding the Fourth Proportional to 134,636,994.58, 185,791,045.19 and 78,117,362.02

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Solution

The fourth proportional to 134,636,994.58, 185,791,045.19 and 78,117,362.02 is: 107,797,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,636,994.58 : 185,791,045.19 = 78,117,362.02 : x
  2. Step 2: Convert to fraction form
    134,636,994.58/185,791,045.19 = 78,117,362.02/x
  3. Step 3: Cross multiply
    134,636,994.58x = 185,791,045.19 × 78,117,362.02
  4. Step 4: Simplify right side
    134,636,994.58x = 14,513,506,337,181,408
  5. Step 5: Solve for x
    x = 14,513,506,337,181,408/134,636,994.58
  6. Step 6: Final answer
    x = 107,797,313.68

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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.