Home / 265,535,243.84-398,075,681.12-101,890,436.16

Finding the Fourth Proportional to 265,535,243.84, 398,075,681.12 and 101,890,436.16

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Solution

The fourth proportional to 265,535,243.84, 398,075,681.12 and 101,890,436.16 is: 152,748,479.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,535,243.84 : 398,075,681.12 = 101,890,436.16 : x
  2. Step 2: Convert to fraction form
    265,535,243.84/398,075,681.12 = 101,890,436.16/x
  3. Step 3: Cross multiply
    265,535,243.84x = 398,075,681.12 × 101,890,436.16
  4. Step 4: Simplify right side
    265,535,243.84x = 40,560,104,774,005,880
  5. Step 5: Solve for x
    x = 40,560,104,774,005,880/265,535,243.84
  6. Step 6: Final answer
    x = 152,748,479.59

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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.