Home / 145,509,439.80-218,264,159.70-88,113,811.80

Finding the Fourth Proportional to 145,509,439.80, 218,264,159.70 and 88,113,811.80

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Solution

The fourth proportional to 145,509,439.80, 218,264,159.70 and 88,113,811.80 is: 132,170,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,509,439.80 : 218,264,159.70 = 88,113,811.80 : x
  2. Step 2: Convert to fraction form
    145,509,439.80/218,264,159.70 = 88,113,811.80/x
  3. Step 3: Cross multiply
    145,509,439.80x = 218,264,159.70 × 88,113,811.80
  4. Step 4: Simplify right side
    145,509,439.80x = 19,232,087,090,490,944
  5. Step 5: Solve for x
    x = 19,232,087,090,490,944/145,509,439.80
  6. Step 6: Final answer
    x = 132,170,717.70

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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.