Home / 310,326,140.94-465,537,041.10-105,806,386.50

Finding the Fourth Proportional to 310,326,140.94, 465,537,041.10 and 105,806,386.50

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Solution

The fourth proportional to 310,326,140.94, 465,537,041.10 and 105,806,386.50 is: 158,725,887.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,326,140.94 : 465,537,041.10 = 105,806,386.50 : x
  2. Step 2: Convert to fraction form
    310,326,140.94/465,537,041.10 = 105,806,386.50/x
  3. Step 3: Cross multiply
    310,326,140.94x = 465,537,041.10 × 105,806,386.50
  4. Step 4: Simplify right side
    310,326,140.94x = 49,256,792,100,692,984
  5. Step 5: Solve for x
    x = 49,256,792,100,692,984/310,326,140.94
  6. Step 6: Final answer
    x = 158,725,887.39

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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.