Home / 145,698,753.60-218,264,695.20-88,019,690.40

Finding the Fourth Proportional to 145,698,753.60, 218,264,695.20 and 88,019,690.40

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Solution

The fourth proportional to 145,698,753.60, 218,264,695.20 and 88,019,690.40 is: 131,858,306.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,698,753.60 : 218,264,695.20 = 88,019,690.40 : x
  2. Step 2: Convert to fraction form
    145,698,753.60/218,264,695.20 = 88,019,690.40/x
  3. Step 3: Cross multiply
    145,698,753.60x = 218,264,695.20 × 88,019,690.40
  4. Step 4: Simplify right side
    145,698,753.60x = 19,211,590,896,754,368
  5. Step 5: Solve for x
    x = 19,211,590,896,754,368/145,698,753.60
  6. Step 6: Final answer
    x = 131,858,306.42

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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.