Home / 288,459,914.02-398,075,030.49-156,300,806.50

Finding the Fourth Proportional to 288,459,914.02, 398,075,030.49 and 156,300,806.50

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Solution

The fourth proportional to 288,459,914.02, 398,075,030.49 and 156,300,806.50 is: 215,695,302.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,459,914.02 : 398,075,030.49 = 156,300,806.50 : x
  2. Step 2: Convert to fraction form
    288,459,914.02/398,075,030.49 = 156,300,806.50/x
  3. Step 3: Cross multiply
    288,459,914.02x = 398,075,030.49 × 156,300,806.50
  4. Step 4: Simplify right side
    288,459,914.02x = 62,219,448,313,099,088
  5. Step 5: Solve for x
    x = 62,219,448,313,099,088/288,459,914.02
  6. Step 6: Final answer
    x = 215,695,302.15

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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.