Home / 178,908,045.60-268,362,068.40-157,366,970.40

Finding the Fourth Proportional to 178,908,045.60, 268,362,068.40 and 157,366,970.40

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Solution

The fourth proportional to 178,908,045.60, 268,362,068.40 and 157,366,970.40 is: 236,050,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,908,045.60 : 268,362,068.40 = 157,366,970.40 : x
  2. Step 2: Convert to fraction form
    178,908,045.60/268,362,068.40 = 157,366,970.40/x
  3. Step 3: Cross multiply
    178,908,045.60x = 268,362,068.40 × 157,366,970.40
  4. Step 4: Simplify right side
    178,908,045.60x = 42,231,325,674,385,576
  5. Step 5: Solve for x
    x = 42,231,325,674,385,576/178,908,045.60
  6. Step 6: Final answer
    x = 236,050,455.60

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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.