Home / 125,740,981.60-188,611,472.40-119,788,842.40

Finding the Fourth Proportional to 125,740,981.60, 188,611,472.40 and 119,788,842.40

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Solution

The fourth proportional to 125,740,981.60, 188,611,472.40 and 119,788,842.40 is: 179,683,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,740,981.60 : 188,611,472.40 = 119,788,842.40 : x
  2. Step 2: Convert to fraction form
    125,740,981.60/188,611,472.40 = 119,788,842.40/x
  3. Step 3: Cross multiply
    125,740,981.60x = 188,611,472.40 × 119,788,842.40
  4. Step 4: Simplify right side
    125,740,981.60x = 22,593,549,942,155,552
  5. Step 5: Solve for x
    x = 22,593,549,942,155,552/125,740,981.60
  6. Step 6: Final answer
    x = 179,683,263.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.