Home / 145,209,785.60-217,814,678.40-112,331,302.40

Finding the Fourth Proportional to 145,209,785.60, 217,814,678.40 and 112,331,302.40

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Solution

The fourth proportional to 145,209,785.60, 217,814,678.40 and 112,331,302.40 is: 168,496,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,209,785.60 : 217,814,678.40 = 112,331,302.40 : x
  2. Step 2: Convert to fraction form
    145,209,785.60/217,814,678.40 = 112,331,302.40/x
  3. Step 3: Cross multiply
    145,209,785.60x = 217,814,678.40 × 112,331,302.40
  4. Step 4: Simplify right side
    145,209,785.60x = 24,467,406,506,509,152
  5. Step 5: Solve for x
    x = 24,467,406,506,509,152/145,209,785.60
  6. Step 6: Final answer
    x = 168,496,953.60

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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.