Home / 255,506,681.40-383,263,095.49-71,262,938.84

Finding the Fourth Proportional to 255,506,681.40, 383,263,095.49 and 71,262,938.84

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Solution

The fourth proportional to 255,506,681.40, 383,263,095.49 and 71,262,938.84 is: 106,895,265.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,506,681.40 : 383,263,095.49 = 71,262,938.84 : x
  2. Step 2: Convert to fraction form
    255,506,681.40/383,263,095.49 = 71,262,938.84/x
  3. Step 3: Cross multiply
    255,506,681.40x = 383,263,095.49 × 71,262,938.84
  4. Step 4: Simplify right side
    255,506,681.40x = 27,312,454,533,532,952
  5. Step 5: Solve for x
    x = 27,312,454,533,532,952/255,506,681.40
  6. Step 6: Final answer
    x = 106,895,265.45

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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.