Home / 93,140,531.69-128,528,624.58-53,439,646.71

Finding the Fourth Proportional to 93,140,531.69, 128,528,624.58 and 53,439,646.71

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Solution

The fourth proportional to 93,140,531.69, 128,528,624.58 and 53,439,646.71 is: 73,743,666.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,140,531.69 : 128,528,624.58 = 53,439,646.71 : x
  2. Step 2: Convert to fraction form
    93,140,531.69/128,528,624.58 = 53,439,646.71/x
  3. Step 3: Cross multiply
    93,140,531.69x = 128,528,624.58 × 53,439,646.71
  4. Step 4: Simplify right side
    93,140,531.69x = 6,868,524,289,677,422
  5. Step 5: Solve for x
    x = 6,868,524,289,677,422/93,140,531.69
  6. Step 6: Final answer
    x = 73,743,666.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.